prevention
词形变化：
形容词: preventable | 名词: preventability | 动词过去式: prevented | 动词过去分词: prevented | 动词现在分词: preventing | 动词第三人称单数: prevents |
同义词：
preclude | stop | thwart | inhibit | block | avert | avoid | foil | check | put a stop to | nip in the bud | counteract | ward off | forbid | deter | hinder | prohibit | bar | keep | silence | help | discourage | abort | from | keep from | forestall | stem | obstruct | foreclose | hamper |
反义词：
词义辨析：
同义:
n.阻止, 妨碍; 障碍; 防止
impediment
hindrance
obstacle
block
obstruction
barrier
interruption
determent
stoppage
arrest
check
retardation
restraint
checkmate
preclusion
prohibition
restriction
blockage
deterence
forestalling
interception
n.预防, 预防药
preventive
preventative
prophylactic
safeguard
medicine
vaccine