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
You had better study hard.
你最好努力学习。
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
Sure. I would love to come. Thanks a lot.
当然。我愿意来。非常感谢。