Carbacidometer
大气碳酸计
🗣️ 情景例句
I'm trying to catch Mary, please.
我想与Mary联络。
We can live without our friends, but not without our neighbours.
生活可无友，邻居不能无。
Because it's winter now. The weather here is very cold in winter, isn't it?
因为现在是冬天。这儿的冬天天气非常冷，对吗？