有奖纠错
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Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

在被植物粉管中生殖细胞(应为雄原译者注)分裂成两个配

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Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lythraceae, Leguminosae and Pontederiaceae, but the aspects and extent of differentiation often vary in taxa.

异型雄蕊在野牡丹、茄、干屈菜、豆等多个中都有分布,但其分化与程度常随类群而异。

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Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lytbraceae, Leguminosae and Pontederiaceae, but the aspects and extent of differentiation often vary in taxa.

异型雄蕊在野牡丹、茄、千屈菜、豆等多个中都有分布,但其分化与程度常随类群而异。

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In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.

然而在根中,它还是适用。在一些植物根中,还发现了第四种组织原,即calpytrogen,与根冠发生有关。

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VOA速英语_科技

The research explains how angiosperms appeared and became widespread during the age of dinosaurs.

这项研究解释了被子植物是如何在恐龙时代出现并布的。

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VOA速英语_科技

Flowering plants are also called angiosperms.

开花植物也被称为被子植物

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VOA速英语_科技

The team of scientists created a new tree of life for angiosperms.

队为被子植物创造了一棵新的“生命树”。

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中高级英语短文

Angiosperms are the most evolved, diverse, widely distributed and adaptable group of plants today.

被子植物是当今最进化、最多样化、布最、适应性最强的植物群。

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中高级英语短文

The researcher in charge of the study said that flowers and fruits are part of the angiosperm family.

负责这项研究的研究员说,花和水果是被子植物族的一

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VOA速英语_科技

Angiosperms are plants that produce flowers and produce their seeds in fruits.

被子植物是开花并在果实中产生种子的植物。

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中高级英语短文

There are 300,000 species of extant angiosperms around the world.

世界上现存的被子植物有 30 万种。

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VOA速英语_科技

About 80 percent of the world's plants are angiosperms.

世界上大约80%的植物是被子植物

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VOA速英语_科技

The study identified two periods of diversification among angiosperms.

该研究确定了被子植物的两个多样化时期。

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钟地球》趣味科普(精选双语)

These angiosperms lost so much water into the air that as they spread, they brought their own rain with them.

这些被子植物在扩张过程中,虽然失去了这么多的水到空气,但他们也携带了自身的雨水。

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VOA速英语_科技

At that time, 80 percent of major angiosperm species arose.

当时,80%的主要被子植物物种出现了。

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VOA速英语_科技

Baker said angiosperms are more successful at reproducing than gymnosperms.

贝克说,被子植物比裸子植物在繁殖方面更成功。

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科拉诺斯动画科普

Many insect species are also prolific pollinators, stimulating the reproduction of angiosperms or flowering plants.

许多昆虫物种也是多产的传粉者,刺激被子植物或开花植物的繁殖。

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科拉诺斯动画科普

As gymnosperms declined, angiosperms or flowering plants filled the niches  they left behind.

随着裸子植物的衰落,被子植物或开花植物填补了它们留下的生态位。

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PBS Eons | fauna&flora

These days, flowering plants called angiosperms dominate our planet.

如今,被称为被子植物的开花植物 主宰着我们的星球。

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PBS Eons | fauna&flora

For the angiosperms to take over, they had to develop relationships with pollinators.

为了让被子植物接管,它们必须 与传粉者建立关系。

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复习

Grasses are simple forms of angiosperms that bear their encapsulated seeds on long stalks.

草是被子植物的简单形式,它们的长茎上带有封装的种子。

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PBS地球-动物趣闻

Also known as fruiting plants, angiosperms place their seeds inside an enclosure.

也被称作果实植物,被子植物将它们的种子放在一个封闭结构内。

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科拉诺斯动画科普

Marine meadows are made of seagrasses, a group of angiosperms, or flowering plants, that are completely aquatic.

海洋草甸由海草、一组被子植物或开花植物组成,它们完全是水生的。

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VOA速英语_科技

Gymnosperms and angiosperms both have seeds.

裸子植物和被子植物都有种子。

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