R&d
abbr. Research and Development 研究与开发
🗣️ 情景例句
so why don't we get right to work?
我们现在就开始工作， 好吗？
The computer technician reads the paper tape.
电脑的技术人员在解读纸带。
Certainly. But please give it back soon.
可以，但是用完后请及时还回来。