单词	extorts
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随便看	perceptive perceptively perceptively perceptiveness perceptiveness perceptivenesses perceptivities perceptivity perceptivity percepto- percepto-motor perceptron perceptrons percepts perceptual perceptual defence perceptual defense perceptualize perceptually perceptually perceptual-motor perceptum perceptuomotor perceptuospatial Perceval 海水为什么是咸的海水为什么是咸的? 海水为什么永远不会干涸海水会不会进到河口里来海水会循环吗？海水会越来越咸吗? 海水很咸，为什么海鱼肉却是淡的海水是怎么到达地幔的海水有多咸？海水的潮涨潮落 Archaismus Arche Arche Archimedesprinzip Archipel Architekt Architekt Architektin Architektonik Architektonik