英语释义
1. to keep from happening or existing
steps to prevent war
2. to hold or keep back hinder, stop —often used with from
3. to deprive of power or hope of acting or succeeding
4. to be in readiness for (something, such as an occasion)
5. to meet or satisfy in advance
6. to act ahead of
7. to go or arrive before
8. to interpose an obstacle
9. to stop (something) from happening or existing
10. to make (someone or something) not do something to stop (someone or something) from doing something
11. to keep from happening
Helmets help to prevent injuries.
12. to hold or keep back
Bad weather prevented us from leaving.