| 1. | They bought a dog to prevent any burglaries . 他们买了条狗以防盗贼。 |
| 2. | His disability prevents him from holding a job . 他的伤残妨碍他就业。 |
| 3. | Something or other prevented him from coming . 不知什么事使他不能来。 |
| 4. | Yes, the one fact doesn't prevent the other . 不错,这两件事并不冲突。 |
| 5. | A safety strap is used to prevent falling . 要系上安全带防止跌下。 |
| 6. | Bad weather prevented me from starting . 恶劣的天气使我不能动身。 |
| 7. | Smoke has no value in preventing heat-loss . 烟对于防止热量散失没有作用。 |
| 8. | Stir the sauce to prevent it lumping . 把沙司搅拌一下以免结块。 |
| 9. | Does prison do anything to prevent crime ? 采取关押方法对制止犯罪有作用吗? |