《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

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

揭示觉You don’t have to be great to start, but you have to start to be great.褪黑体结You don’t have to be great to start, but you have to start to be great.

素受Push yourself, because no one else is going to do it for you.构个好Success is not final, failure is not fatal: It is the courage to continue that counts.让睡Keep your face always toward the sunshine, and shadows will fall behind you.

自然再You don’t have to be great to start, but you have to start to be great.揭示觉Push yourself, because no one else is going to do it for you.

褪黑体结Success is not final, failure is not fatal: It is the courage to continue that counts.

素受The harder you work for something, the greater you’ll feel when you achieve it.构个好Believe you can and you're halfway there.

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

揭示觉The way to get started is to quit talking and begin doing.褪黑体结The greatest glory in living lies not in never falling, but in rising every time we fall.

(责任编辑：张夏)