R
英 [ɑː]
美[ɑr]
- n. 英语字母中的第十八个字母
- abbr. 电阻（resistance）；比率（ratio）；医生处方（recipe）
考试真题
- But it is really happiness that's linked to investment, or could something else about happier cities explain why firms there spend more on R and D?
2016年考研真题（英语二）完形填空 Section Ⅰ
- Especially, firms in happy places spend more on R and D .
2016年考研真题（英语二）完形填空 Section Ⅰ