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。
That is important: the brain drain out of universities has been a huge, if largely hidden, loss in past decades.
这一点是重要的：在过去的几十年中，大学中的人才流失是一个巨大的、而且往往是相当隐性的损失。
When there is extensive caseation and the granulomas involve a larger bronchus, it is possible for much of the soft, necrotic center to drain out and leave behind a cavity.
当存在广泛的干酪性坏死并且肉芽肿累及较大的支气管时，大量的坏死物排出，留下空洞。
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。
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。
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