1. 動詞
   prevent現在分詞:
   不及物動詞:
   阻止, 妨礙
   及物動詞:
   防止...(人事物)
   預防...(人事物)
   阻止...(人事物)
   妨礙...(人事物)
   制止...(人事物)
   preventing ...(a: 人事物) from ...(b: 動詞ing ...):
   

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   同義字詞
   avert,forestall,head off,help,obviate,preclude,stave off
   

例句

1. Preventing infection is very important.
2. Its roots are important for preventing sand movement.
3. And it is pretty effective at preventing colon cancer.
4. The US policy is preventing Israel from crashing Hamas.
5. Need for increased emphasis on preventing homelessness.
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