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
Three. Besides Chinese, my mother tongue, I can also speak English and French.
三种，除了我的母语中文外，我还会讲英语和法语。
Friends are like fiddle-strings,they must not be screwed too tight.
朋友有如琴弦，不能上的太紧。
The grass is moist early in the morning.
清晨的草地湿漉漉的。