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'll talk to him.
我会去跟他谈谈。
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
Do you realize that all of these shirts are half off?
你知道这些衬衫都卖半价了吗？