Observation circuit
[计] 监视电路
🧩 词语组成解析
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
I'm going to tell him what to say.
我正要告诉他应该说什么。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。