火箭: [航空] rocket; fire arrow; bird 短语和例子发射火箭 fire a rocket; 穿甲火箭 armour-piercing rocket; 单级火箭 one-stage rocket; 弹道火箭 ballistic rocket; 多级火箭 multi-step rocket; 二级火箭 two-stage rocket; 高超音速火箭 hype
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