Unnavigability
[法] 不可航行, 不适航性, 不适航状态
🗣️ 情景例句
Yes, let me try. Oh, it's difficult. Will you show me how to do it?
好吧，让我试试吧！哦，真不容易。能教我怎么用吗？
Easier said than done.
说话容易做事难。
Just let us know when you are ready.
那么，准备好了就请通知我们。