1. 英语单词 "on duty" 的音标：

/ɒn ˈdjuːti/ 或 /ɑːn ˈduːti/（美式发音）

2. "on duty" 的意思：

"On duty" 主要表示某人正在履行其职责，处于工作状态，通常指值班或承担某项责任。

3. "on duty" 的翻译：

值班

在岗

在职

4. "on duty" 的用法：

这个短语通常用于描述某人正处于工作状态，特别是指在需要承担某种职责或任务时。

5. "on duty" 例句：

The nurse is on duty tonight.
（护士今晚值班。）

The police officer was on duty when the incident occurred.
（事件发生时那名警察正在值班。）

She is on duty at the moment and cannot take any calls.
（她此刻在工作，无法接听电话。）

I am on duty from 9 AM to 5 PM every weekday.
（我每个工作日从早上9点到下午5点值班。）

The security guard is on duty at the entrance.
（保安在入口处值班。）

He is always on duty when there’s an emergency.
（每当有紧急情况时，他总是值班。）

I'm on duty this afternoon, so I'll be at the office.
（今天下午我值班，所以我会在办公室。）

During the night shift, they are on duty to monitor the system.
（在夜班期间，他们值班监控系统。）

The lifeguard was on duty at the beach to ensure safety.
（救生员在海滩上值班，确保安全。）

When the fire alarm went off, the firemen were already on duty.
（当火警响起时，消防员们已经在值班。）

6. "on duty" 的短语搭配：

be on duty: 正在值班

e.g., The manager is on duty today.

 

stay on duty: 保持值班状态

e.g., He had to stay on duty until midnight.

 

go off duty: 下班，结束值班

e.g., I'll go off duty at 6 PM.

 

on duty officer: 值班官员

e.g., The on duty officer was informed about the situation.

 

on duty nurse: 值班护士

e.g., The on duty nurse took care of the patient immediately.