名詞 prevention:

1. the act of preventing
   同義詞：bar

1. The branch of medicine that deals with tumors, including study of their development, diagnosis, treatment, and prevention.
   腫瘤學研究腫瘤的醫(yī)學分支，他的研究包括其發(fā)展、診斷、治療和預防
2. The branch of dentistry that deals with the diagnosis, prevention, and treatment of diseases and problems specific to the aged.
   老年牙醫(yī)學牙科學分支，專門研究老年人牙病和問題的診斷、預防和治療
3. They have begun to do the prevention of crime.
   他們已經(jīng)開始防止犯罪行為。
4. Prevention is better than cure.
   預防勝于治療(治病不如防病)。

pre.ven.tion

n.（名詞）
The act of preventing or impeding.
防止，預防：防止或阻礙的行為
A hindrance; an obstacle.
阻撓，阻礙：阻撓；障礙