Defense contractor
国防承包商
🧩 词语组成解析
contractor
[kən'træktə]
n. 订约人，承包人;收缩物;
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
Father has prescribed a course of action for my bother.
父亲指使弟弟的行动。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。