Cellona
纤维素石膏绷带
🗣️ 情景例句
How long?
多久？
Some students quit school due to poverty.
一些学生因贫困而辍学。
First of all, they may have come to this planet of ours thousands or millions of years ago,
首先，他们可能在几千年前或几百年万年前已来过我们地球，