On duty
其它 Other值班, 上班\\n[化] 值班
📝 例句
The rule is that someone must be on duty at all times.
按照规定，任何时候均需有人值班。
I had lifted my hand against a pilot on duty.
我打了一个值班的掌舵。
Some nurses at the hospital are on duty all night.
这个医院的一些护士整夜值班。
Inside I saw the head nurse, who said Miss Barkley was on duty.
我在里面见到护士长，护士长说巴克莱小姐现在上班。
Half the garrison is/are on duty.
有半数卫戍部队在执勤.
🧩 词语组成解析
on
[ɑn]
prep. （表示方向）向;（表示对象）对;（表示位置）在…上;（表示时间）在…之时;
adv. （放，穿，连接）上;向前，（继续）下去;
adj. 活动着的情况，状态;使用着的;发生着的;计划中的;
🗣️ 情景例句
I think you ought to
我觉得，你们应该
The menu is dirty, Would you bring me a clean one, please?
这菜单是脏的，请你拿个干净的给我。
In much of China, spring is usually very short.
在中国的许多地方，春天通常很短。