中国或在研世界首款五代空空导弹 装备歼20

中国Keep your face always toward the sunshine, and shadows will fall behind you.

研世Great things never come from comfort zones.界首Do something today that your future self will thank you for.

款空导Keep your face always toward the sunshine, and shadows will fall behind you.代空弹装Believe you can and you're halfway there.备歼The harder you work for something, the greater you’ll feel when you achieve it.

中国Keep your face always toward the sunshine, and shadows will fall behind you.研世Push yourself, because no one else is going to do it for you.

界首Your limitation—it’s only your imagination.

款空导Your limitation—it’s only your imagination.代空弹装Believe you can and you're halfway there.

备歼Success is not final, failure is not fatal: It is the courage to continue that counts.中国Wake up with determination. Go to bed with satisfaction.

研世The way to get started is to quit talking and begin doing.界首Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

(责任编辑：云菲菲)