原理: principle; tenet; axiom; theory 短语和例子根本的原理 a cardinal principle; 数学的基本原理 fundamentals of mathematics; 违反马克思主义的基本原理 contravene the basic principle of marxism; 详述 ... 的原理 develop the theory
界: 名词1.(相交的地方; 划分的界限) boundary 短语和例子国界 the boundary of a country; national boundary; 山西和陕西以黄河为界。 the boundary between shanxi and shaanxi is the huanghe river.2.(一定的范围) scope; extent 短语和例子外界 e
