high-grade
adjective /ˌhaɪ ˈɡreɪd/
  /ˌhaɪ ˈɡreɪd/
[usually before noun]- of very good quality- high-grade petrol
 Oxford Collocations DictionaryHigh-grade is used with these nouns:- ore
 
| 单词 | high-grade | 
| 释义 | high-gradeadjective /ˌhaɪ ˈɡreɪd/  /ˌhaɪ ˈɡreɪd/[usually before noun] 
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