of

[ɔv, əv]

prep

1) (gen) 的 [de]

* the history of China — 中国历史

* at the end of the street — 在街的尽头

* the president of France — 法国总统

* a friend of ours/mine — 我们/我的一个朋友

* the city of New York — 纽约城

* south of Madrid — 马德里的南部

* how silly of him not to say anything! — 他只字未提真是太傻了！

2) (expressing quantity, amount)

* a kilo of flour — 一公斤面粉 [yī gōngjīn miànfěn]

* a cup of tea/vase of flowers — 一杯茶/一瓶花

* a slice of bread — 一片面包

* there were three of them — 他们有3个

* three of us went — 我们3人去了

* can some of you help? — 你们中有人能帮忙吗？

* I'll eat half of it — 我要吃一半

* the number of road accidents — 交通事故的数量

* an annual income of $30,000 — 每年3万美元的收入

3) (made of) 由...制成 [yóu...zhìchéng]

* made of wood — 木制的

4) (in dates)

* the 5th of July — 7月5日 [qīyuè wǔrì]

* the winter of 2001 — 2001年的冬天

5) (US) (in times)

* at five of three — 3点差5分 [sāndiǎn chà wǔfēn]