Sigma hyperon
[化] σ超子
🧩 词语组成解析
[计] 求和\\n[医] σ(希腊文第十八个字母)
n. 超子\\n[化] 超子
🗣️ 情景例句
Uh, are you going to be busy this evening?
今晚忙吗？
Do you usually work at the restaurant after school?
你通常在放学后在餐厅工作吗？
Hello, Lily! How are you today?
喂，莉莉，你好。