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
恒: Ⅰ形容词1.(永久; 持久) permanent; lasting 短语和例子永恒 eternal; everlasting2.(平常; 经常) usual; common; constant 短语和例子恒言 common sayingⅡ名词1.(恒心) perseverance 短语和例子持之以恒 persevere in (doing sth.)2.(姓氏) a sur
