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Most grass embryos have a flap-like structure known as the epiblast.

大多数禾本科胚有状结构通常称为外胚叶。

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All bdelloid rotifers are female, and they make embryos without any need for sperm.

所有的蛭形轮虫都是雌性,而且牠们不需要精子就可以产生胚胎。

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They are engaging in an embryo research.

他们正在进行项胚胎研究。

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The occurrence of more than one embryo in the ovule denotes polyembryony.

在胚珠以上的胚发生是表示多胚现象。

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The development characters of small-nutted longan embryo were studied by paraffin method.

摘要采用石蜡切法研究小核龙眼胚胎发育的特点。

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Objective To study the effect of embryo neural stem cell transplantation(SCT) in neuronal ceroid lipofuscinosis(NCL).

目的研究应用神经干细胞移植治疗神经元蜡样质脂褐质沉积病的效果。

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Thermal biology research of Rana chensinensis in different development stages(egg,embryo,tadpole,froglet and adult)was carried on the summary.

本文对国林蛙卵、胚胎、蝌蚪、幼体和成体等不同发育阶段的热生物学研究进行了综述。

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We have just one editor and a reporter, so you could say that the newspaper exists in embryo.

我们只有名编辑和名记者,可以说这份报纸还只是在萌芽阶段。

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The sows of natural oestrus ovulated more swiftly than the superovulation, and the embryo quality of nature was better.

超数排卵影响胚胎的质量,自然发情母猪较超数排卵母猪排卵较快,且胚胎质量较好。

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The larger embellum could be used as a secondary screening indicator for identifying aposporous embryo sac in Apluda mutica.

存在发达的胚珠附器是水蔗草孢子生殖胚囊的特点之.

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In the embryo an undifferentiated mesodermal component of an early trunk or tail segment or metamere, derived from paraxial mesoderm.

在胚胎时,法区别的胚层组成早期躯干、或尾部段或体节,衍生自轴旁的胚层。

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Toxoplasmosis ophthalmopathy is mainly characterzied by congenital malformation from optic pit and optic vesicle s lesion at earlier embryo period,and retinochoroiditis from inflammation.

弓形虫眼病主要表现为胚胎早期受弓形虫侵犯使视窝及视泡的形成发生障碍引起的先天畸形以及炎症损害引起的视网膜脉络膜炎。

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The mature embryo is corn posed of radicle, coleorhiza, plumule, coleoptile, scutellum and epiblast.That is the typical structure of the mature embryo of grass.

成熟胚具有胚根、胚芽、盾、胚芽鞘、胚根鞘、外胚叶等典型禾本科植物成熟胚的结构。

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There are 5 stages during the development of embryo, including the stage of 2-celled proembryo, multicellular proembryo, globular proembryo, pyriform proembryo, differential embryo and mature embryo.

胚胎发育经过二细胞原胚、多细胞原胚、球形原胚、梨形原胚、分化胚和成熟胚阶段。

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Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.

目的探讨卵细胞第极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。

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If the gestation period does not pay attention to the nutrition, easy to cause the denutrition, to will be pregnant mother and the embryo will have the adverse effect.

孕期如果不注意营养,容易引起营养缺乏,对孕妈妈及胎儿将产生不良影响。

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The present study is the first to report on the usefulness of puromycin for production of enhanced green fluorescent protein (EGFP) transgenic piglets after somatic cell cloning and embryo transfer.

本研究是第次报道在体细胞克隆和胚胎移植后成功应用嘌呤霉素标记获得了转强化型绿色荧光蛋白(EGFP)基因的小猪。

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While this is occurring an unfertilized egg cell is taken from a Blackface ewe with its DNA filled nucleus taken out leaving a nucleus free egg cell that will later produce an embryo (3).

(接着如果把它)放在细胞核已去除的黑面母羊的的营养细胞,它会儿就会产生胚芽。

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双语版 TED-Ed 演讲精选

Today, we know human embryos have tails that dissolve as the embryo develops.

今天,我知道类胚胎的尾巴会随着胚胎的育而被溶解。

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科学60秒-科学美国 2020年5月合集

Editing human embryos used for reproduction is still banned.

然而,以繁育目的编辑类胚胎的行为仍被禁止。

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VOA Special 2023年3月合集

Finally, they fertilized those eggs and placed the embryos into female mice.

最后,使这些卵子受精,并将胚胎植入雌性老鼠体内。

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VOA Special 2019年10月合集

They then choose the best single embryo to implant.

之后会选择最佳的单一胚胎进行植入。

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TED演讲(视频版)双语精选

Researchers in China just a few months ago reported the creation of genetically modified human embryos.

几个月前,中国的类胚胎基因改造技术。

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双语版 TED-Ed 演讲精选

The endometrium evolved to make implantation difficult so that only the healthy embryos could survive.

子宫内膜经过演化, 使得着床难以进行因此,只有健康的胚胎能够生存。

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雅思词汇例句

Her plans for the future are still in embryo.

她对未来的计划尚在酝酿中。

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探索频道:恐龙之战

And that eggshell protects the developing embryo.

那些蛋壳保护着里面育中的胚胎。

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抢救切尔诺贝利

I was horrified by how many deformed embryos developed in animals that had eaten cesium-contaminated food.

食用铯污染食物的动物胚胎,其畸形育数量让我惊骇不已。

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当月 CNN 10 学生英语

The female's egg becomes an embryo without fertilization.

雌性的卵在没有受精的情况下成为一个胚胎。

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BBC 听力 2015年12月合集

They say dog embryos could also be used to study human diseases.

说,狗胚胎还可用于类疾病。

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VOA慢速英语_科技

The embryos are stored in a cool liquid that protects them.

胚胎被储存在低温液体中,这样它可以受到保护。

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6 Minute English 六分钟英语

Yes, actually. UK scientists have been authorised by the government to genetically modify human embryos for research.

还真有。英国科学家已经获得政府批准对类胚胎进行以为目的的基因修改。

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PBS趣味科普

Before we're born, human embryos develop three different types of kidneys.

在我出生之前,类胚胎育出三种不同的类型肾脏。

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VOA慢速英语_科技

The researchers learned that they belonged to embryos and newborns, Pyenson said.

员意识到,这些微小的骨骼属于胚胎和新生的鱼龙,皮恩森说。

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透视百科综合类

Everything from a polar bear embryo to bats to giant fish are stored in alcohol.

北极熊胚胎、蝙蝠、大鱼、各种生物都被储存在酒精里。

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经济学-科技

Stem cells found in embryos can spin off a wide range of tissue types.

胚胎干细胞可以分化成多种组织类型。

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物杂志

Six months later doctors successfully implanted an embryo the couple had created through IVF.

六个月后,医生成功将这对夫妇通过试管授精创造的胚胎植入她体内。

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生物学基础入门

For example, most countries ban the editing or modification of genes in human embryos.

例如,大多数国家禁止编辑或修改类胚胎中的基因。

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CRI在线 2017年10月合集

In my own areas, in biological, biomedical science, we're seen interesting work having been done in early human embryos.

“在我自己的领域,生物制药领域,我已经可以看到早期类胚胎方面有一些有意思的。”

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