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Some tropical fish reproduce by laying eggs.

有些热带鱼靠

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Insects propagate themselves by means of eggs.

昆虫以后代。

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The cuckoo lays its eggs in other birds’ nests.

杜鹃在别的鸟

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Beetles bury pellets of dung and lay their eggs within them.

甲壳虫把粪粒埋起来,然后在里面

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A young salmonid (salmon or trout) with parr-marks before migration to the sea and after dispersal from the redd.

鲑一个鲑鱼(鲑鱼或鳟鱼)具有鲑横带,迴游到海洋以前与散布在场之后。

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The frogs haven’t spawned yet.

青蛙还未

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Birds reproduce by laying eggs.

鸟类由

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But fed with oakery pollen,indices as above were 9. 59 days, 37. 17 days, 3. 89 days,and 0. 86 per day,respectively.

青杠花粉饲养,其发育历期长达9.59天,雌雄成螨寿命缩短为37.17天和3.87天,日平均量仅0.86粒。

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After mating and oviposition, statistics showed that the higher of the percentage of small eggs is, the more of the unlaid eggs is.

交配后,初步统计发现小卵百分率越大,则遗腹卵有越多的倾向。

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The imago period is from the early April to end of May.The reproduction belongs to amphigenesis, but it may happen female parthenogenesis.A female average egg number is 3975.

成虫期4月上旬至5月下旬,行两性生,存在孤雌生,雌成虫平均量为3975粒。

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CNN 10 学生英语 2017年11月合集

Like coral bleaching, spawning is also dependent on water temperatures.

就像白化一样,也和温有关。

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CNN 10 学生英语 2017年11月合集

It's the annual event of coral spawning, when the colonies reproduced.

这是一年一的时候,这时候寄生在的生物也开始繁殖。

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当月 CNN 10 学生英语 2020年2月合集

And they keep breeding, laying their eggs in the earth in pastoral and agricultural lands.

而蝗虫还在继续繁殖,在牧场和农田

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历年六级听力真题精听

So when flying north, they might lay eggs in Louisiana and die.

所以它们在向北飞的时候,也许会在路易斯安那州然后死去。

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探索频道:恐龙之战

For the females, that means stockpiling resources to produce the offspring.

对雌性来说,它们会囤积营养为最好准备。

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当月 CNN 10 学生英语 2021年5月合集

No although they can damage some small trees where they lay their eggs.

不危险,尽管它们会在时损害一些小树。

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每天听一点新鲜事

A fly had flown and managed to lay her eggs in my wound.

一只苍蝇飞过,设法在我的伤口

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CNN 10 学生英语 2017年11月合集

Biologists say they're encouraged by the amount of reproductive activity they're seeing this time around.

生物学家称这次让他们深受鼓舞。

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当月 CNN 10 学生英语 2021年1月合集

Atlantic salmon are anadromous, which means they can live in saltwater and fresh water.

大西洋鲑鱼是溯河动物,这意味着它们可以生活在咸水和淡水中。

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That night, walking on Ostula's beach, I waited for turtles to swim ashore to nest.

那晚,我在奥斯图拉的海滩上走,等待海龟游上岸来

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TED演讲(视频版)双语精选

They mate, they lay eggs and they die.

它们交配、,然后死亡。

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VOA常速英语_生活

That's why the flamingos go there to nest and lay their eggs.

这就是火烈鸟去那筑巢的原因。

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Vox 观点

Then, in the early spring, they drop off to lay their eggs.

然后,在早春的时候,它们就会掉到地上

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空中英语:大家说英语

Turtles lay their eggs in the sand. The temperature of the sand is important.

海龟在沙子。沙子的温很重要。

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科学60秒-科学美国人 2019年9月合集

Although these populations might be able to adapt by shifting their spawning grounds northward.

尽管这些鱼群可以通过将地向北迁移来适应这一变化。

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科学60秒-科学美国人 2019年3月合集

But now they spent more than a week foraging before they laid their eggs...

但是现在,它们要先进行一周多的觅食然后再

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科学60秒-科学美国人 2019年3月合集

So in a normal year, they start laying their eggs right after arrival.

“在正常年份,它们一到达北极就开始

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科学60秒-科学美国人 2019年3月合集

Only the females bite, to acquire protein to make their eggs.

只有雌蚊叮咬人,以此获取所需的蛋白质。

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经济学人-科技

Such leeway would make it easier for a female cuckoo to lay where she chose.

这样的空当就给了雌杜鹃自由选择巢穴的机会。

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CNN 10 学生英语 2024年4月合集

Usually the mom dies after laying her eggs.

通常妈妈在后死去。

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