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
Don't worry. You'll get used to it in no time.
别担心，你会很快习惯的。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
Tomorrow is christmas Eve, and my father and I went to choose a Christmas tree today.
明天是圣诞节前夜，今天我和父亲去选圣诞树。