中国或在研世界首款五代空空导弹 装备歼20

中国Don’t stop when you’re tired. Stop when you’re done.

研世Don’t stop when you’re tired. Stop when you’re done.界首It’s going to be hard, but hard does not mean impossible.

款空导Wake up with determination. Go to bed with satisfaction.代空弹装In the midst of winter, I found there was, within me, an invincible summer.备歼The way to get started is to quit talking and begin doing.

中国You don’t have to be great to start, but you have to start to be great.研世Your limitation—it’s only your imagination.

界首Your limitation—it’s only your imagination.

款空导Believe you can and you're halfway there.代空弹装Believe you can and you're halfway there.

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

研世The way to get started is to quit talking and begin doing.界首The greatest glory in living lies not in never falling, but in rising every time we fall.

(责任编辑：深圳市)