noun🔗Share烫发 A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm."My sister got a permanent for her wedding, which was supposed to last for several months. "我姐姐为了婚礼去烫了个永久性的头发，本来应该能保持好几个月。appearancestyleessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share积和式 Given an n \times n matrix a_{ij} ,, the sum over all permutations \pi , of \prod_{i=1}^n{a_{i\pi(i)}}."The permanent of the matrix representing the different seating arrangements at the family dinner is 120. "代表家庭晚餐不同座位安排的矩阵的积和式是120。mathessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share永久物，永续物 (trading card games) A card whose effects persist beyond the turn on which it is played."The "Potion of Invisibility" permanent gives you a special ability for the rest of the game. "这张名为“隐形药水”的永续物会让你在游戏剩余的时间里拥有一个特殊能力。gameessentialtoeicChat with AIVocabulary GamePractice Reading
verb🔗Share烫发 To perm (the hair)."My sister decided to permanent her hair for the school dance. "我妹妹决定为了学校舞会去烫头发。appearancestyleessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share永久的，永恒的，持久的 Without end, eternal."Nothing in this world is truly permanent."这个世界上没有什么东西是真正永恒的。timequalityessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share永久的，永恒的。 Lasting for an indefinitely long time."The countries are now locked in a permanent state of conflict."这些国家现在陷入了一种永久的冲突状态。timequalityessentialtoeicChat with AIVocabulary GamePractice Reading
