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permanent

/ˈpɝ.mə.nənt/ 名词 C2

中文: 烫发、烫头

  1. A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
  2. Given an n×n matrix a_ij,, the sum over all permutations π, of ∏ᵢ₌₁ⁿa_iπ(i).
  3. A card whose effects persist beyond the turn on which it is played.

复数 permanents

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来自图书馆

The only conceivable motive was that which had been suggested by Sir Henry, that if the family could be scared away a comfortable and permanent home would be secured for the Barrymores.
《The Hound of the Baskervilles》,第77页 · C1
Finding a permanent place to live was another major hurdle during my first few weeks.
《A New Chapter in Dublin》,第1页 · B2
The emperor offered the bird a permanent home inside his royal palace.
《The Emperor and the Nightingale》,第1页 · B2

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