Sunday is the day of the sun, a traditional day of rest.

星期天是太阳的日子，一个传统的休息日。

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For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.

有几年它的亮度一度达到了现在的太阳亮度的一万倍左右。

《柯林斯英汉双解大词典》

Stay indoors in the middle of the day, when the sun is strongest.

中午阳光最强的时候待在室内。

《牛津词典》

The time was near the middle of the day and the sun was shining full upon me.

VOA: special.2010.07.10

For Eleanor Creesy to learn the correct position of the ship each day, she had to be able to see the sun, the moon or stars.

VOA: special.2009.12.23

When they first walk through the front door, an array of sensors will detect their presence and bring the lights up, adjusting levels throughout the day based on the time, angle of the sun and the weather.

FORBES: A New Source of Green Energy: LEDs

It was the hottest day of the year in the city, the sun pounding from above, the concrete radiating heat from below.

FORBES: Fishing In New York City With Ed Burns

Twilight, that moment at the end of the day when the sun has just set and the stars are about to rise, it's the inspiration for this week's What's in a Song, our occasional series from the Western Folklife Center about one song and its story.

NPR: What's in a Song? 'Twilight'