柯林斯詞典metaphysics /?m?t??f?z?ks/ 1. N-UNCOUNT Metaphysics is a part of philosophy which is concerned with understanding reality and developing theories about what exists and how we know that it exists. 玄學(xué); 形而上學(xué) 返回 metaphysics劍橋詞典the part of philosophy that is about understanding existence and knowledge 形而上學(xué)，玄學(xué) 返回 metaphysics