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》
2
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。
3
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.