Question

precaution n.预防，防备，警惕;预防措施;避孕措施;vt.使提防;预先警告; pl:precautions~adj:precautionary~

Accepted Answer

英[prɪˈkɔ:ʃn]  美[prɪˈkɔʃən] N-COUNT预防措施；防备A precaution is an action that is intended to prevent something dangerous or unpleasant from happening.例：Could he not, just as a precaution, move to a place of safety?...就算仅仅是为了以防万一，难道他就不能挪到安全的地方吗？例：I had taken the precaution of doing a little research before I left London...我已在离开伦敦前进行了准备，做了些调查研究。

单词	precaution
音标	英[prɪˈkɔ:ʃn] 美[prɪˈkɔʃən]
解释	n.预防，防备，警惕;预防措施;避孕措施;vt.使提防;预先警告;
例句	N-COUNT 预防措施；防备 A precaution is an action that is intended to prevent something dangerous or unpleasant from happening. 例：Could he not, just as a precaution, move to a place of safety?...就算仅仅是为了以防万一，难道他就不能挪到安全的地方吗？例：I had taken the precaution of doing a little research before I left London...我已在离开伦敦前进行了准备，做了些调查研究。
变形	pl:precautions~adj:precautionary~

Precaution 英[Prɪˈkɔ:ʃn 美[Prɪˈkɔʃən N.预防，防备，警惕;预防措施;避孕措施;Vt.使提防;预先警告 N Count 预防措施；防备 Action Intended