减: Ⅰ动词1.(由原有数量中去掉一部分) subtract 短语和例子九减四得五。 nine minus four is five.; four from nine is five.; subtract four from nine and you have five.2.(降低; 衰退) reduce; decrease; cut 短语和例子工作热情有增无减 work wit
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;