Kapnometer
烟密度计
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
I'm really sorry, but I seem to have misplaced your scarf.
真对不起，我忘记把你的围巾对丢在什么地方了。
It really looks good on you.
穿在你身上真是好看。