首页knottyknotty考试真题

knotty

英 ['nɒtɪ] 美['nɑti]
  • adj. 棘手的,难解决的;[木] 多节的;有结的

考试真题


Einstein would furiously play his violin as a way to think through a knotty physics problem.

出自-2010年12月阅读原文