Volatile substance
[医] 挥发物
🧩 词语组成解析
🗣️ 情景例句
has agreed to take care of him for the weekend.
同意在周末照顾他。
We have a wide selection of sweaters that will appeal to all ages, and in particular the teenager market which you specified.
我们有各种各样适合各个年龄层次的羊毛衫，特别是您专门提到的青少年市场。
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。