◎ SID是什么意思 [计] 安全性标识 SID的用法和例句: 1. Sid reminded me that I have guests at the club. 西德提醒我还有客人在俱乐部等我呢 2. Sid, I'm so sorry... It's a bit late for that. 3. Sid, if anything should happen to me, look after them. 希德 如果...