Observation circuit
[计] 监视电路
🧩 词语组成解析
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
We're broadcasting from London.
我们从伦敦播放。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。