Si op. sit.
[医] 必要时
🧩 词语组成解析
[计] 国际单位制, 串行接口, 移入\\n[医] 硅(14号元素,旧名矽)
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
You were wise to keep away from him.
你避开他是明智之举。
As the men refused to stop working, the police attempted to seize the pneumatic drill.
由于工人拒绝停下手中的活，警察想夺风钻。