refinement
英 [r?'fa?nm(?)nt]
美[r?'fa?nm?nt]
- n. 精制；文雅；[化工][油气][冶] 提纯
考试真题
- By raising relative demand for clean energy sources, a carbon price would also help align the market return to clean-energy innovation with its social return, spurring the refinement of existing technologies and the development of new ones.
出自-2017年6月阅读原文