吃透英语课本，提升在校竞争力
n. 中士；巡佐；军士；警官
复数：sergeants
Right, but how do you know there's a sergeant there?
正确，可是你怎么知道那儿有一个中士？
The sergeant gave orders.
中士下达了命令。
staff sergeant
（美）参谋军士；（英）陆军上士
police sergeant
n. 警佐
n.军士；警察小队长；海军陆战队中士；高等律师
non-commissioned officer
sarge
