Sigma bond
[化] σ键
🧩 词语组成解析
[计] 求和\\n[医] σ(希腊文第十八个字母)
🗣️ 情景例句
I know. But we're going to be late for dinner.
我知道。但我们晚餐可要迟到了。
I know the boy whose father is a manager.
我知道那个男孩的父亲是经理。
I remember. You tried it on and it looked wonderful on you. I'm sure you looked beautiful that evening. You were always a pretty girl.
我想起来了。你还把项链戴上试了试，戴在你身上真是太好看了。我相信那天晚上你一定很美。你总是那么漂亮。