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
You should perform what you promised to do.
你应该履行诺言。
I believe they also deserve this award.
我认为他们也有资格获得这一奖项。
The first settlers on the plains of America were Native Americans.
美洲平原上的首批定居者是美洲土著人。