grade down

英美

释义
词组
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- 降低…的等级
词汇搭配
grade down 降低…的等级...

on the down grade 下降(下坡
临近单词

Gradel grade grader plowshare grade thin films GraDe orocessing grade performance grade of waterway grade of accuracy grade of security grade elimination grades of courses grade-I highway

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