Government contractor
[经] 政府承包人(商)
🧩 词语组成解析
contractor
[kən'træktə]
n. 订约人，承包人;收缩物;
🗣️ 情景例句
Room service. May I help you?
客房服务部，需要我为您效劳吗？
What does you want to eat?
你要吃什么？
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。