Electropneumograph
[医] 电呼吸描记器
🗣️ 情景例句
How can I reach you?
我怎样才能联系到你呢？
Kill two birds with one stone.
一石双鸟；一箭双雕。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。