We often use two nouns together to show that one thing is a part of something else:
我们经常用两个名词表示某物的其他部分:

the village church; the car door; the kitchen window; the chair leg;

my coat pocket; London residents

 

We can use noun modifiers to show what something is made of:
我们可以用名词修饰语表示某物的组成部分:

a gold watch; a leather purse; a metal box

We often use noun modifiers with nouns ending in -er and -ing:
我们经常用名词修饰语与以-er或-ing结尾的名词连用:

an office worker; a jewellery maker; a potato peeler; a shopping list; a swimming lesson; a walking holiday.

We use measurements, age or value as noun modifiers:
我们用尺寸、年龄或者价格作为名词修饰语:

a thirty kilogram suitcase; a two minute rest; a five thousand euro platinum watch; a fifty kilometre journey;

We often put two nouns together and readers/listeners have work out what they mean. So:
我们经常将两个名词放在一起,这样说话者或听者能明白他们的意义。所以:

an ice bucket = a bucket to keep ice in

an ice cube = a cube made of ice

an ice breaker = a ship which breaks ice

the ice age = the time when much of the Earth was covered in ice.

Sometimes we find more than two nouns together:
有时候我们能找到两个以上的名词用在一起:

London office workers; grammar practice exercises

Position of noun modifiers
名词修饰语的位置

Noun modifiers come after adjectives:
名词修饰词放在形容词后:

The old newspaper seller

A tiring fifty kilometre journey