Sigma
[计] 求和\\n[医] σ(希腊文第十八个字母)
🗣️ 情景例句
Major credit cards are accepted in this supermarket.
这家超市接受大多数的信用卡支付。
What day is it today?
今天星期几？
The Beatles represented part of the spirit of their age.
甲壳虫乐队代表了他们时代的部分精神。