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She is in a quandary about which university to c...


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这个单词你近期已经查过5次了,小D建议你将它收录到单词本。收录 / 忽略

sit up

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端坐,坐正;熬夜,不睡觉;大吃一惊,吓了一跳
同:

动词解释:

  • not go to bed
    • Don't stay up so late--you have to go to work tomorrow
    • We sat up all night to watch the election
    [同] sit up, stay up
  • change to an upright sitting position
    • He sat up in bed
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