It is necessary that a person should provide against a raing day.
一个人应居安思危,未雨绸缪。
This law is to provide against employing child labourers.
该法案禁止雇佣童工。
英汉双解词典包含483723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。