英语词汇“research and development”的读音、翻译、释义、用法及例句-心情故事网

词汇	research and development
释义	research and development 【计】研究与开发, 研究与发展【化】究研与开发【经】研究和发展(开发)
随便看	hunt the same coon hunt up Huppert-Cole tests Huppert's disease Huppert's test huppert's tests hurdle hurdler hurdle scrubber hurdy-gurdy hurl hurler Hurler's disease Hurler's syndrome hurling pump hurly hurly-burly Huron hurrah hurray hurricane hurricane dryer hurried hurrier hurry

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