英语词汇研究开发是什么意思，研究开发的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	研究开发
释义	DEFINITIVE EXAMPLES 权威例句〔cautious〕Companies seem cautious about investing(=are unwilling to invest) money in research and development.公司在研究开发方面的投资似乎比较谨慎。麦克米伦高阶
随便看	snowed in snowed under snowed under snowed under snowed up snowed up snowfall snowfall snowfall snowfalls snowfalls snowfield snowfield snowflake snowflake snowflake snowflake snowflake cataract snowflake transistor snowflakes snowflakes snowflakes snowflakes snowhedge snowhole

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