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送我个时光机
be absorbed in;keep one's mind on;devote oneself to absorbed
德高防水专卖店
埋头专心从事 [词典] bend one's head over; 从事 [词典] go in for; devote oneself to; be engaged in; be busy with; deal with; [例句]他从事这本词典的编纂工作已达10年之久。He has been engaged 10 years on the dictionary.
喵星的哚朵
Immerse oneself in doing sth
michellellll
be busy at working
阳光77770906
be bussy doing sth.如：I am bussy learning English.我忙着学英语。
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