户: 名词1.(单扇的门,泛指门) one-panelled door; door 短语和例子户外活动 outdoor activities; 门户 door; gate; 足不出户 never step out of doors; confine oneself within doors2.(人家; 住户) household; family 短语和例子几百户人家 severa
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;
