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
静: Ⅰ形容词1.(安定不动; 平静) still; calm; motionless 短语和例子风平浪静 calm and tranquil; 静立 stand still; 静卧 lie motionless2.(没有声响; 清静) silent; quiet 短语和例子夜阑人静 in the dead of night; in the still [quiet] of th