duty

['dju:ti]

n.义务, 职责, 责任, 税, 关税

例句与用法：

It's our duty to protect the saplings.

保护树苗是我们的责任。

I arrive at the hospital at eight o'clock, but I don't go on duty until nine.

我八点钟就到医院了，但是九点钟我才去值班。

I'm duty bound to visit my old aunt.

我有义务去探望年老的姑妈。

It's my duty to help you.

帮你忙是我份内该做的事。

词形变化：

名词复数: duties |

详细释义：

n.

1. 责任; 义务; 本分[C][U]

It is our duty to defend our country.

保卫国家是我们的义务。

2. 税[C][U]

Customs duties are paid on imported goods.

进口货物需交纳关税。

3. 职责; 职务[P1]

One of my duties is to file the letters.

我的职责之一是将信件归档。

4. 敬意; 恭顺

5. (机器的)功率; 能率; 负荷

6. (作物所需的)灌溉量

短语词组：

do duty for/as

1. 充当

The table used to do duty as a hotel desk.

这张桌子以前曾充当旅馆服务台。

off duty

1. 下班

He usually comes off duty at 5 p.m.

他通常下午五点下班。

on duty

1. 值班; 上班

I usually go on duty at 8 a.m.

我通常上午八点上班。