重点词汇
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加倍
double; redouble; doubly
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用功
study hard; work diligently; apply oneself; strive; exert effort; diligent; studious; hardworking; industrious; assiduous
study even harder
加倍
double; redouble; doubly
用功
study hard; work diligently; apply oneself; strive; exert effort; diligent; studious; hardworking; industrious; assiduous