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
He was ill at ease at her birthday party.
他在她的生日宴聚会中心神不宁。
May I see a timetable?
我可以看时刻表吗？
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？