Unit7AChristmasCaronewwords人教修订版课件
日期:2010-06-20 06:30
1carol n圣诞颂歌;颂歌;赞美诗(c)
Christmas carols
圣诞颂歌
2 employ---employer---employee
3 hygiene n卫生学;保健法;卫生
hygiene in the workplace; personal hygiene
工作环境保健;个人保健
environmental hygiene personal hygiene
环境卫生个人卫生
food hygienephysical hygiene
食品卫生,
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