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;
丰: Ⅰ形容词1.(丰富) abundant; plentiful; rich; full 短语和例子五谷丰登 an abundant harvest of all food crops2.(大) great 短语和例子丰功伟绩 great contributions and heroic deeds; great achievements3.(容貌和姿态美好的) fine-lo