Research and development
01
研发
the planned work done by companies to discover new knowledge and use it to make or improve products, services, or processes
语法信息
有生性状态
抽象
形态构成
复合词
不可数
例子
The company spends a lot on Research and Development to create better smartphones.
公司在研发上投入大量资金以制造更好的智能手机。



























