英语词汇contact hour是什么意思，contact hour的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。

单词	contact hour
释义	contact hour　面授课时
随便看	secondary shock secondary signature secondary smelter secondary smoke secondary solvent secondary somatic hermaphrodite secondary source secondary source secondary source secondary spectrum doublet secondary spermatocyte secondary spermatogonium secondary standard secondary standard file secondary standard fuel secondary standard reference surface secondary standard substance secondary station secondary station algorithm secondary steam secondary steelmaking process secondary stomodeum secondary storage secondary storage allocation secondary store