Kapnometer
烟密度计
🗣️ 情景例句
Birds of a feather flock together.
物以类聚。
How did you like the game?
你觉得这场比赛怎么样？
After I had stacked my shirts and underclothes in two empty drawers,
我将衬衫、内衣放进两个空抽屉里，