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
My wife, Marilyn Stewart, is a member of your program.
我太太Marily Stewart是你的学生。
Whom God would ruin, he first deprives of reason.
伤天害理，天诛地灭。
Our vicar is always raising money for one cause or another,
我们教区的牧师总是为各种各样的事筹集资金。