英语词汇“R and D”的释义、用法及例句-英汉词典

词汇	R and D
释义	R and D ((略)) Research and Development 研究发展
随便看	convinced convincible convincing convivial conviviality convocation convoke convolute convoluted convolution convolvulus convoy convoy fleet convulse convulsion convulsive cony cony catcher coo cooee cook Cook cooker cookery cookery book

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