The light was beginning to drain from a violet sky.

光线正开始从紫罗兰色的天空中渐渐消失。

《柯林斯英汉双解大词典》

Much of the water in a sample of water-saturated sediment or rock will drain from it if the sample is put in a suitable dry place.

如果把水饱和的沉积物或岩石样品放在合适的干燥的地方，样品中的大部分水将从中流出。

youdao

I felt the blood drain from my head.

我感觉血液从脑袋里流走。

youdao

There is a small hole in the side to drain out extra moisture and keep from drowning the plants.

VOA: special.2011.06.14

However, the water could take some time to drain from the pitches, she added.

BBC: A cricket club member wearing wetsuit

As a result, there has been an acute brain-drain from the labs.

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But there's still a brain drain from the country.

FORBES: Magazine Article