[Story] In a huge library, a fuel-powered robot laughed as it studied tough subjects, amusing everyone.

[参考翻译] 在一个巨大的图书馆里,一个以燃料为动力的机器人学习着艰难的科目,它笑了,这让每个人都感到愉快。

[Words]

  1. fuel [ˈfjuːəl] n 燃料
  2. huge [hjuːdʒ] adj 巨大的
  3. laugh [læf] v 笑
  4. study [ˈstʌdi] v 学习
  5. tough [tʌf] adj 困难的