Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
and I will bring the cola and the plastic cups.
我拿可乐和塑胶杯来。
It is convenient to know the language.
掌握这门语言会带来方便。
Fine! I have a new watch. Do you like it?
很好，我有一块新手表，你喜欢它吗？