Caught up in this catastrophe, were three sisters.有三姐妹曾直面这场灾难

catch up in陷入

We were caught up in the excitement of the crowd .

我们受到群情激奋的感染。

He regretted having been caught up in the affair.

他后悔当初卷入了这件事。

particularly at times when life is tough for these animals.特别是当生存环境恶劣的时候

at times有时；偶尔

Everyone may make mistakes at times.

每个人不时都会犯错误。

She can be a very tiresome child at times.

她这孩子有时会很烦人的。

There was nothing actually to feed on.真的没有东西可吃

feed on用 ... 喂养； 靠吃 ... 过活； 以 ... 为能源

Bats fly at night and feed on insects.

蝙蝠在夜间飞行，以昆虫为食。

In flat open country there is plenty of grass for the cattle to feed on.

在开阔平坦的地区有大量的青草供牛群食用。