英语词汇“research and development”的读音、翻译、释义、用法及例句-英语在线翻译词典-残梦网

词汇	research and development
释义	research and development n = R and D
随便看	soapsuds soapy soar sob sob story sober sober sobriety sobriquet Soc. soccer sociable social social social climber social democracy social disease social engineering social science social security social service social studies social work social worker socialism 百羞百翮百老汇百职百胜百能百能百俐百能百巧百脉百脚柠檬饼干圆形小饼干小葱鸡蛋煎饼杏仁曲奇饼干花朵冰皮月饼玛格丽特饼干蔓越莓钻石饼干炸酱面算是意大利面？青拌面

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