“penetration”概念、定义、翻译-科学时代

单词	penetration
释义	动力与电气工程词汇手册 penetration 穿透；贯入件；贯入度
随便看	advertisement type area advertisement（ad.） advertisement（ad） advertiser advertiser advertiser advertisers' index advertiser's liability insurance advertising advertising advertising advertising advertising advertising advertising advertising advisor Advertising Age Advertising Age advertising agency advertising agency advertising agency advertising agency advertising agency advertising agency system advertising agent

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。