航: Ⅰ名词(船) boat; shipⅡ动词(航行) navigate (by water or air); sail 短语和例子出航 set out on a voyage [flight]; 返航 return to base or port; 首航 maiden voyage or flight; 夜航 night navigation; 远航 long voyage
冠: 冠名词1.(帽子) hat 短语和例子免冠照片 bareheaded photo; 衣冠整齐 be neatly dressed2.(状似帽子或在顶上的东西) crown; corona 短语和例子花冠 corolla; 树冠 the crown of a tree; 牙冠 the crown of a tooth3.(鸟禽头上的一束羽毛或突起) crest; comb 短