她又继续工作了几个月。 我们参加了心理助产课程，因为她如果自然分娩的话，我需要在场协助。

She kept working for several months, and we attended Lamaze classes in anticipation of my participating in a natural childbirth.

youdao

如果让其自然生长，主干会延伸到12英尺左右。

The main stem will extend to around 12 ft, if left to develop naturally.

《柯林斯英汉双解大词典》

不过，如果你对自然感兴趣，那当然可以写进你的论文。

Still, if you're interested in nature, then that certainly can be worked into your dissertation.

youdao

If God created the world, and set nature into motion, and in what way is God responsible or irresponsible.

如果上帝创造了世界，让自然开始运转，那么上帝对什么有责任，又对什么没有责任呢？

普林斯顿公开课 - 人性课程节选

If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?

如果进化论是讲适者生存，在弱肉强食的自然界，动物怎么能进化出道德情感？

耶鲁公开课 - 心理学导论课程节选

If nature is a norm, it does not, again, mandate or incline us to peace, friendship and solidarity with others.

如果自然是一个准则，它不会，指引我们向和平，友爱,和与别人的团结。

耶鲁公开课 - 政治哲学导论课程节选