Oscilloscopy
示波术
🗣️ 情景例句
You don't know Jack Wang? You're hiking.
你不认识杰克王？看玩笑吧？
We should let him face the music.
我们应该让他对自己所做的事负责任。
I have just heard from my sister, Mary.
我刚收到我妹妹玛丽的一封信。