Effusiometer
[化] 隙透计; 扩散计; 气体扩散计
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
Another time!
改天吧！
Oh, by the way, there was a telephone call for you.
啊，顺便说一句，有你一个电话。