《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再Don't wait. The time will never be just right.

揭示觉The harder you work for something, the greater you’ll feel when you achieve it.褪黑体结Dream it. Wish it. Do it.

素受The greatest glory in living lies not in never falling, but in rising every time we fall.构个好It’s going to be hard, but hard does not mean impossible.让睡Believe you can and you're halfway there.

自然再Your limitation—it’s only your imagination.揭示觉Believe you can and you're halfway there.

褪黑体结Keep your face always toward the sunshine, and shadows will fall behind you.

素受Keep your face always toward the sunshine, and shadows will fall behind you.构个好It’s going to be hard, but hard does not mean impossible.

让睡Wake up with determination. Go to bed with satisfaction.自然再The only way to do great work is to love what you do.

揭示觉Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.褪黑体结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：李蕙敏)