Ventilometry
[医] 换气测量法
🗣️ 情景例句
I suppose so.
我认为是这样。
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
Don't you think we should add a sentence here like this?
难道你不觉得我们应该在这儿加上一句话？