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
so I wouldn't lose them.
免得我弄丢了。
I hope you agree with me.
我希望你同意我。
I like sitting by the Wayle on fine afternoons.
我喜欢在天气晴朗的下午到河边坐坐。