词典释义：
排出；排出去；终止
Drain out 5 gallons of water from the drain valve at the bottom of the heater.
从热水器底部的排污阀排出大约5加仑的水.
And that extra carbon takes a long time to drain out of the tub.
而剩下的碳要从“浴缸”里排出去需要较长的时间。
Pull your ear lobe downward to allow the water to drain out.
向下拉扯耳垂，让水流出来。
Cal felt the blood drain out of his face. What do you mean?
卡巴顿感到热血从他的脸部涌出。“你是什么意思？”
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