precaution

/prɪˈkɔːʃn/ n
标准词条 CET-4
一句话记住

预防措施；防备

释义与例句

n 预防措施；防备
an action taken in advance to prevent something dangerous or unpleasant from happening
  1. We took precautions against theft by installing an alarm.
    我们安装了警报器以防盗窃。
  2. Fire precautions are essential in old buildings.
    老建筑中防火措施必不可少。
展开其余 1 条例句
  1. As a precaution, she locked all the doors before leaving.
    为了以防万一，她出门前锁好了所有门。

词源与构词

记忆钩子 pre（前）+ caution（小心）= 事前小心→预防措施

词族与关联词

词族（同一词根派生出的不同词性或形式）
  • precautionary 预防的；防备的
    形容词形式
  • caution 小心；谨慎
    词根
同义词
  • safeguard 保护措施；保障
    safeguard 强调保护性措施，precaution 侧重事前预防
    The new law is a safeguard for workers' rights. 新法律是对工人权利的保障。
反义词
  • carelessness 粗心大意
    carelessness 指疏忽不谨慎，与 precaution（谨慎防备）相反
    His carelessness led to a serious accident. 他的粗心大意导致了一场严重事故。
常见搭配
  • take precautions 采取预防措施
    Take precautions before you travel abroad. 出国旅行前要采取预防措施。
  • as a precaution 作为预防措施
    I took an umbrella as a precaution. 我带了把伞以防万一。
  • safety precautions 安全措施
    All safety precautions must be followed in the lab. 实验室必须遵守所有安全措施。