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knuckle down
knuckle down
scient.
开始认真 工作
;
屈服
|
to
TO:
f.trade.
目的地:
to phrases
knuckle down
['nʌk(ə)l'daun]
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scient.
开始认真[努力]工作
;
屈服
knuckle down
:
4 phrases
in 2 subjects
General
3
International trade
1
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