prevent the occurrence of; prevent from happening
同义词:debar??/??obviate??/??deflect??/??avert??/??head off??/??stave off??/??avoid??/??ward off
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。