英语词汇population pyramid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	population pyramid
释义	population pyramid 【社】人口金字塔(表示人口的性别、年龄等分布情况的三角形图表)
随便看	power supplies power-supplies' power supply power supply's power sweep power sweeps power take-off power tool power tools power tower power train power trains power transistor power trip power trips power-up power user power walk power-walk power-walk power-walked power walker power-walker power-walker power walkers

英汉双解词典包含548777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。