a hard nut to crack

a hard nut to crack是什么意思、a hard nut to crack怎么读
棘手的问题

a hard nut to crack汉语翻译

棘手的问题
相关内容
a hard row to hoe
ultraselective cracking process
hydrotreating-hydrocracking process
hydro-denitrogenation-hydrocracking process
skull cracker
skin crack
shrinkage crack
non-coking thermal cracking
Knox cracking
Kellogg hydrocracking process
Jenkine cracking
crack back
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热门内容

  1. amphicrania
  2. auctor
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  4. distomus
  5. distorsion
  6. extensor
  7. gas pressure welding
  8. Promethean
  9. voice encoder
  10. vulval cleft

高赞内容

  1. be known as
  2. be known for
  3. be made up of
  4. D
  5. finished unit
  6. M
  7. M. u.
  8. M.B.
  9. R.A.F
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最新展示

  1. I R C
  2. domain decomposition
  3. airmailed
  4. airlifts
  5. airlifted
  6. airless spray unit
  7. aired
  8. airdropped
  9. airbase
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