Unnavigability
[法] 不可航行, 不适航性, 不适航状态
🗣️ 情景例句
It's so soothing.
是这样的安详。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。