sentry

名词

1. 1

   哨兵、卫兵、守卫

   Two sentries stood at the gate, checking every vehicle that entered.

   两名哨兵站在大门口，检查每一辆进入的车辆。

2. 2

   站哨、警戒多用于 stand、keep 之后

   He had to stand sentry outside the tent until dawn.

   他得在帐篷外站哨到天亮。