Unnavigable
a. 不可通航的
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
Poor men's words have little weight.
人微言轻。
therefore the jungles and the savannahs know of no'juvenile delinquency'.
因此，丛林和荒凉地区不知道什么叫青少年犯罪"。