Sigma complex
[化] σ络合物
🧩 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
He's your best man.
他是男傧相呀。
There's TV coverage of the NBA tournament.
有个NBA联赛的电视报道。
When their father died, they thought it their duty to keep Eric in hiding.
父亲死后，他们兄弟俩认为有责任继续把埃里克藏起来。