英语词汇principal point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	principal point
释义	principal point 【光学】主点
随便看	towned townee townees towner towners Townes, Charles Hard tow-net town father town gas town-gown conflict town hall townhall clock town halls townhome townhomes town house town houses townie townies townified townify townifying townish townishly townishness

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。