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
地区: 1.(较大的地方) area; district; region 短语和例子多山地区 a mountainous district; 住宅地区 residential areas; 水灾地区 a flood-affected area2.(行政划分单位) prefecture 短语和例子黑龙江省牡丹江地区 the mudanjiang prefecture of heilo