老: i 形容词1.(年岁大) aged; 活到老, 学到老。 you will never cease to learn as long as you live.; live and learn.2.(很久以前就存在的) of long standing; old 短语和例子老相识 an old acquaintance; 老部下 a former subordinate; 老
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