英语语法分析

The rose leaves have curled because of an attack by grubs.

玫瑰的叶子因虫子的侵袭打了卷。

《柯林斯英汉双解大词典》

It's possible that the birds can derive so much energy from these grubs that they only need to eat a few each day.

可能的情况是，鸟类能从这些甲虫中获取到大量能量，所以它们一天只需要吃几只甲虫即可。

These adaptations are quite sensible, allowing the aye-aye to see well at night and retrieve grubs, which are one of its primary food sources, from deep within hollow branches.

这些适应性是相当合理的，使狐猿在夜间看得很清楚，并能从空心树枝深处取回幼虫，这是它的主要食物来源之一。