Effusiometer
[化] 隙透计; 扩散计; 气体扩散计
🗣️ 情景例句
Hi, Robbie.
嗨， Robbie。
I am afraid you don't see my point.
恐怕你没有明白我的意思。
I don't know his number. Did you write it down?
我不知道他的电话号码。你记下来了吗？