| 1. | All this activity did bring its reward .
这一切活动确实不是徒劳的。 |
| 2. | This illegal activity was once commonplace .
这种非法活动曾一度流行。 |
| 3. | Love is the only reasonable activity of man .
爱是人唯一有理性的行为。 |
| 4. | Patterns of activity differ between species .
同种的活动形式不同。 |
| 5. | There had been little activity on the street .
街道上没什么动静。 |
| 6. | He partook in the activities of the school .
他参加了学校的活动。 |
| 7. | Some review of its activities is required .
我们需要对其活动进行一些叙述。 |
| 8. | The business is a cover for unlawful activity .
以经商为幌子从事非法活动。 |
| 9. | Do n't restrict her proper activities .
不要拘束她的正当活动。 |
| 10. | Completing an activity or journey
完成一项活动或走完一段路程。 |
