得意英语
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be at pains to do困难

句型竭力,煞费苦心地(做某事)
1真题出现次数
1套试卷
0次落在考点上

真题原句共 1 句

  • Neuroscientists have been at pains to demonstrate that the pleasure a book provides isn’t indulgence; it’s good for you.

    神经科学家们一直在努力证明,书籍带来的乐趣并不是放纵,而是对你有益的。