drain from

基本解释

I felt the blood drain from my head.
我感觉血液从脑袋里流走。
And when the money exits the market, we let it drain from the pool.
等到它需要撤退的时候，我们再把它从池子里放出去让它走。
If conscious, lay the casualty down with head and shoulders slightly raised and supported. Position head on the side to allow saliva to drain from the mouth.
如果病人是有知觉的，让病人躺下来，头部和肩部应该稍高一点并支撑起来。将头部侧放以使口水从嘴里面流出来。
blog.sina.com.cn

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

As a result, there has been an acute brain-drain from the labs.
CENTERFORSECURITYPOLICY: Will the Bush Team Staff up to Stop a Nuclear Melt-down?
But there's still a brain drain from the country.
FORBES: Magazine Article
Obviously, I could go into and out of these stocks based on my assessment of market conditions, but even if my timing is reasonably accurate, the drain from dealing with even reasonable low-price-stock spreads can add up.
FORBES: Confessions Of Leveraged ETF Lover