Impactometer
碰撞(空气)取样器
🗣️ 情景例句
So soon? Can't you stay a little longer?
就要走啊？你不能多呆一会儿吗？
I'd like to try on these hats.
我想试试这些帽子。
Economy is one powerful motive for camping, since after the initial outlay upon equipment,
图省钱是露营的一个主要动机，因为除了开始时购置或是租借一套露营装备外，