学习: study; learn; emulate 短语和例子集中学习 massed learning; 学习某人的榜样 learn from sb.'s example; follow sb.'s example; 学习文化 learn to read and write; 学习雷锋 learning from lei feng; 学习英雄人物活动 activities to l
阶: 名词1.(台阶) steps; stairs 短语和例子石阶 stone stairs; 台阶 a flight of steps2.(等级) rank 短语和例子军阶 military rank3.[医学] (耳蜗的三个螺旋管的任一个) scala 短语和例子中阶 scala media4.[数学] order 短语和例子非整数阶 non-integral order;
