它们当中有些真的很脆弱。

Some of them are really fragile.

youdao

刚出生的幼体真的很脆弱，尤其是刚出生的鸟类和小型哺乳动物。

Hatchlings are really vulnerable, especially to birds and small mammals when they are born.

youdao

虽然很美味，但这种种子很脆弱——如果干枯，它们就不能发芽和生长。

While tasty, such seeds are delicate-they cannot bud and grow if they dry out.

youdao

He has that phrase, / "Anything more than the truth would have seemed too weak / to the earnest love that laid the swale in rows.

他写了这样一句，任何超过真理的东西都显得很脆弱/,用最真挚的爱意割下一排排草。

耶鲁公开课 - 现代诗歌课程节选

One of the things that was interesting, when we were talking about the Sooka, was this idea that the Sooka should be weak enough and it would be destroyed if a big storm comes through.

有一件很有意思的事情，我们当时谈到了苏卡这个地方，意识到它其实很脆弱,很可能被即将到来的风暴摧毁。

普林斯顿公开课 - 人性课程节选

I got a note from him and I'm still trying to figure it all out That's what happens; the system performs very well and then it becomes vulnerable.

我对他的回答做了笔记,我还在尝试把这个问题搞清楚,事情就这样发生了,一个系统本来运行良好，然后就变得很脆弱。

耶鲁公开课 - 金融市场课程节选