metaphysics/ˌmetəˈfɪzɪks; ˌmɛtə`fɪzɪks/ n[sing v]1 branch of philosophy dealing with the nature of existence, truth and knowledge 形而上学; 玄学.2 (esp derog 尤作贬义) speculative philosophy; any type of abstract talk, writing, etc 思辨哲学; 抽象的言语、 文字等.
牛津英汉双解词典