n. 阻止, 妨碍, 预防

[医] 预防

[ noun ]
the act of preventing
<noun.act>
there was no bar against leavingmoney was allocated to study the cause and prevention of influenza

Prevention \Pre*ven"tion\, n. [Cf. F. pr['e]vention.]
1. The act of going, or state of being, before. [Obs.]

The greater the distance, the greater the
prevention. --Bacon.

2. Anticipation; esp., anticipation of needs or wishes;
hence, precaution; forethought. [Obs.] --Hammond. Shak.

3. The act of preventing or hindering; obstruction of action,
access, or approach; thwarting. --South.

Casca, be sudden, for we fear prevention. --Shak.

4. Prejudice; prepossession. [A Gallicism] --Dryden.