Unappropriated
a. 未被占用的,未被指定的
✅ 同义词
🗣️ 情景例句
What about the rings?
戒指怎么办？
You have to be operated on.
你得做手术。
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。