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 have just one--playing golf. It's expensive, but it's a lot of fun.
我只有一种爱好，打高尔夫球。花费很高，但非常有趣。
My car could win in a race against her junky car any day!
我的新车在任何一天去赛车，都能赢过她的旧汽车的。
Yes, but one thing is most unlikely to change.
对，但有一件事是最不可能改变的。