Co-contractor
[经] 联合承包商
🧩 词语组成解析
[医] 钴(27号元素)
contractor
[kən'træktə]
n. 订约人，承包人;收缩物;
🗣️ 情景例句
And tell me where you are and what's happened.
告诉我你在哪里，发生了什么事？
What's eating you?
怎么搞的？
Was that the 21st?
21号吗？