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	blear-eyed bleary bleat bleb bled bled steam bleed bleeder bleeder circuit metallized area metallized dye metallized milk metallizing metallo-borane metal locator metallocene metallochrome metallochromic indicator metallochromy metallocyanide metallocycle metalloenzyme metalloflavoprotein metallofluorescent indicator metallograph

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