Smokemeter
n. (用以测定烟雾的浓度或成分的)烟度计
🗣️ 情景例句
How do you do?
你好。
If he doesn't pay him, I will.
如果他不，我将付给他。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。