| 1. | A number x is called an almost upper bound of a . 数X称为A的殆上界。 |
| 2. | There is no restriction [limit] on the number of people . 人数不限。 |
| 3. | Latin nouns have case , number and gender . 拉丁语名词有格、数和性。 |
| 4. | We will number them from one to ten . 我们将给这些东西编为一至十号。 |
| 5. | A number of factors contribute to this . 对于此总可以归诸于许多因素。 |
| 6. | You could always try his home number . 你总可以试一试他家的电话号码。 |
| 7. | A number of houses were burnt down in the fire . 好些房子给烧毁了。 |
| 8. | The number 101. 11 contains only five bits . 10111这个数只有5位。 |
| 9. | Never mind about him. he's a back number . 不要理他,他是个顽固派。 |
| 10. | Businesses operate in a number of environments . 商业的环境错综复杂。 |