英语词汇lifespans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	lifespans
释义	lifespan['laifspæn] n. ＝lifetime (某种生物的)预期最长寿命；最长生命期；寿命 (一种有机体或物体的)平均生命期
随便看	negative plate negative polarity negative pole negative poles negative potential negative potentials negative practice negative pregnant negative prescription negative pressure negative pressures negative principal planes negative principal points negative proposition negative proton negative quantity negative rain negative-raising negative rake negative reinforcement Negative Reinforcements negative resistance negative-resistance device negative-resistance oscillator negative-resistance repeater

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。