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
I did drink a lot of coffee when I was younger, But I have noticed the health benefits since I quit.
我在年轻时确实喝过很多咖啡，但我发觉戒了咖啡后身体健康多了。
He that has a full purse never wants a friend.
只要袋里有，不愁没朋友。
I'm afraid I don't understand.
恐怕我还不明白您的意思。