单词	人工刮研
释义	人工刮研 hand scraping
随便看	teaching evaluation system teaching evalustion teaching events teaching examination teaching examples teaching exchange teaching exchanges teaching expectation teaching expectations teaching experience Teaching experiences Teaching Experiences of Medical Biochemistry teaching experiene teaching experiment teaching experimental teaching experimental center teaching experimental platform teaching experimental unit teaching experimentation teaching experiment box Teachingexperimentbuilding ventiletes teaching experiment center teaching experiment design teaching experiment environment Teaching experiment for undergraduates