AN indivisible,impenetrable unit of substANce viewed as the basic constituent element of physical reality in the metaphysics of Leibnitz. 单子莱布尼兹学说理论中认为是构成物质世界存在的最基本的和不可分的单位
2.
As a matter of fact, idealism, metaphysics and poisonous weeds are found in every country 事实上，无论哪个国家，都有唯心主义，都有形而上学，都有毒草。
3.
Promote materialist dialectics and oppose metaphysics and scholasticism 要提倡唯物辩证法,反对形而上学和烦琐哲学。
词汇听力：
小测验：选择正确的单词