Impactometer
碰撞(空气)取样器
🗣️ 情景例句
and I've been trying to find just the right thing for her.
而我一直在为她找件合适的东西。
May I do it by tomorrow?
我能明天做吗？
The coldest season of the year is winter.
一年里最冷的季节是冬天。