英语词汇class life period怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	class life period
释义	class life period 简明释义分类寿命期限双语例句 1 Merchant class people of the pre Qin period had their own unique spiritual world and family life. 先秦时期的商人阶层有着自己独特的精神风貌和家庭生活。
随便看	injector circuit injector colling pump injector column injector condenser injector configuration injector cooling pump injector current injector delivery injector dribble gallery pipe injector efficiency injector emittance injector face injector feed injector feeder injector filter core injector filter element injector for fiberscopes injector for medical purpose injector for pocket,medicine injector fuel pipe injector gas burner injector grid injector gun injector head injector hole area

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。