Smokemeter
n. (用以测定烟雾的浓度或成分的)烟度计
🗣️ 情景例句
That's right. What should we do when we find a shortage in the shipment?
这很对。要是我们发现货物短缺，该怎么办？
Today is the first day of spring.
今天是春天的第一天。
Er, is it in Hebei?
是在河北吗？