refinement

US /rɪˈfaɪnmənt/

UK /rɪˈfaɪnmənt/

B1 中級
n. (u.)不可數名詞精緻
With this refinement your car will run faster
n. (u.)不可數名詞淨化物
The refinement in the shape will make this car faster
n. (u.)不可數名詞改進;精煉
Further refinement of the process is needed.

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