Sigma storage
[计] 求和存储器
🧩 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
Mary, I'm glad you called me.
Mary，很高兴你给我打电话。
Excuse me I don't know.
对不起我不知道。
I would like to wash the clothes for you.
我愿意帮你洗这些衣服。