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

单词	contact hour
释义	contact hour　面授课时
随便看	sulphur sulphur bearing steel sulphur butterfly sulphur cement sulphur content sulphur dioxide sulphur dioxide sulphur dioxide probe sulphur dye sulphur dyes sulphur free cutting steel sulphur fungus sulphur house sulphur hydrides Sulphur Indanthrene Blue RNX sulphur kiln sulphur print sulphur reaction sulphur steel sulphur stove sulphur tuff sulphur-containing sulphurate sulphuration sulphurator

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。