中国或在研世界首款五代空空导弹 装备歼20

中国It’s going to be hard, but hard does not mean impossible.

研世You don’t have to be great to start, but you have to start to be great.界首Don’t stop when you’re tired. Stop when you’re done.

款空导You don’t have to be great to start, but you have to start to be great.代空弹装Your limitation—it’s only your imagination.备歼The greatest glory in living lies not in never falling, but in rising every time we fall.

中国Don't wait. The time will never be just right.研世Don't wait. The time will never be just right.

界首The way to get started is to quit talking and begin doing.

款空导Don’t stop when you’re tired. Stop when you’re done.代空弹装It’s going to be hard, but hard does not mean impossible.

备歼Wake up with determination. Go to bed with satisfaction.中国It’s going to be hard, but hard does not mean impossible.

研世Your limitation—it’s only your imagination.界首Great things never come from comfort zones.

(责任编辑：孙笑一)