英语词汇open cover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	open cover
释义	open cover 【数学】开覆盖【保险业】预约保险单
随便看	gravimetric absorption method gravimetrically gravimetric analysis gravimetric datum orientation gravimetric deflection gravimetric geodesy gravimetric geoid gravimetric projection gravimetric survey gravimetric undulations gravimetries gravimetry graving graving dock graving docks graving piece gravings graviphoton graviphotons graviscalar graviscalars gravisphere gravitas gravitass gravitate

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。