长度: length; longitude; size; extent; footage 短语和例子各种长度 assorted lengths; (合乎)理想的长度 desired size; 它的长度合适。 it is of convenient length
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
