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
Thank you, no.
谢谢， 不用了。
The wolf and fox are both privateers.
狐狸与狼，抢劫大王。
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下