英语语法分析

He nearly fell down steep ravines several times in Vietnam and Laos.

在越南和老挝，他有好几次都险些坠入陡峭的峡谷。

j. Avoid creek bottoms and ravines with NO escape in the event of heavy rains.

避免在河谷和峡谷中穿行，以免突遇暴雨而无逃生之处。

I saw burnt-out cars in the ravines and gravestones that could have been 100 years old.

我看见山谷中有焚毁的汽车，还有可能有100年历史的墓碑。