Indispensableness
n. indispensable的变形
🗣️ 情景例句
The book is above me.
这本书我读不懂。
When I left, he was at home.
当我离开的时候，他回家了。
Yes, a lot of people like it. Some are very good at it.
对，许多人喜欢。有些人划得很好。