重点词汇
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绞尽脑汁
rack one's brains; think hard; cudgel your brains; scratch your head over; scratch your head; beat your brains out
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解决问题
solve problems
中英释义:
worry out a problem
绞尽脑汁
rack one's brains; think hard; cudgel your brains; scratch your head over; scratch your head; beat your brains out
解决问题
solve problems