所謂可數，一般可以理解為就是肉眼可數，比如star(星星)，flower(花朵)，banana(香蕉)，student(學生)，book(書籍)，photo(相片)等，可以一個一個數出來的人或事物。

有些名詞既是可數名詞，又是不可數名詞，但意義有所不同。

1. room

“房間”，可數：

There are five rooms here.

“空間”，不可數：

Can you make room for the old woman?

2. chicken

“小雞”，可數 ：

I think chickens can swim.

“雞肉”，不可數：

Help yourself to some chicken.

3. orange

“橘子”，可數：

There are a few oranges on the tree.

“橘子汁”，不可數：

Would you like another bottle of orange?

4. experience

“經歷”，可數：

It is a wonderful experience to travel to Beijing.

“經驗”，不可數：

He has much experience after working so many years.

5. hair

“幾根頭發”，可數：

My mother has some white hairs.

“指整個頭髮”，不可數：

Kate's hair is long.

6. work

“作品”，可數：

The works of Lu xun are very popular.

“工作”，不可數：

I have a lot of work to do today.

7. exercise

“練習”，可數：

Doing morning exercises is good for your health.

“鍛鍊”，不可數：

You must take enough exercise.

8. time

“次數”，可數：

We have meals three times a day.

“時間”，不可數：

Let's hurry! There's little time left.

9. glass

“玻璃杯”，可數：

There are two glasses of milk on the table.

“玻璃”，不可數：

Glass can be made into bottles

10. paper

“報紙，試卷”，可數：

Please help me hand out the papers.

“紙張”，不可數：

Please give me a piece of paper.