As well as living longer, the mice without IRS-1 also experienced better health than the normal mice as they aged they had brighter eyes, were more alert and were much healthier overall.

除了寿命更长，缺少IRS - 1的老鼠在老年时也更健康，它们视力更好也更警惕。而缺少IRS - 2的老鼠寿命则有所减少，且表现出肥胖和2型糖尿病。

youdao

He suddenly became very talkative, his face slightly flushed, his eyes much brighter.

他突然变得很爱说话，他的脸颊稍微有点红，他的眼睛明亮多了。

《柯林斯英汉双解大词典》

Beauty shines brighter in the heart of him who longs for it than in the eyes of him who sees it.

美在目视者的眼中绽放出光亮，但在内心渴望美的人那里绽放出更加夺目的光彩。

youdao

They knew this because when they sang his songs, Woody's eyes would become brighter and his defiant spirit would shine through.

VOA: special.2010.06.20

His eyes were brighter than those of the old man next to him.

VOA: special.2009.01.01

In the eyes of Libyans emerging from their long trauma, the future looks far brighter for them than for other Arab neighbours after their revolutions.

ECONOMIST: Libya