help them conserve heat in the cold. 有助于在寒冷的环境中保温
that help them thrive in the rich rainforest. 能够帮助它们 在富饶的雨林中兴旺发展
And it was flight that would help their descendants stay alive 在小行星撞击地球之后的时代
using antibiotics carried in their saliva to help them heal. 使用其中含有的抗生素 来帮助它们痊愈
the bewitched beetle can't help but be enticed inside. 这只被迷惑的甲虫 不由自主地被诱惑到花中
and help them crawl out of the water. 帮助它们从水中爬出
Some will have genetic qualities that help them survive. 有一些具有帮助其生存的遗传特性