They stop people from burning coalin houses and factories in the city, and from putting dirty smoke into the air.
他们阻止人们在城市里的房子和工厂里燃煤，阻止人们把脏烟排放到空气中。
When I picked up my son from preschool one recent summer afternoon, he looked dirty from head to foot.
近来一个夏日下午，我去幼儿园接儿子时，他从头到脚看起来都脏兮兮的。
Transactions requiring disk I/O, such as flushing dirty pages from the buffer pool or flushing logs from the log buffer, may wait.
要求磁盘I/O 的事务，例如刷新缓冲池中的脏页或者刷新日志缓冲区中的日志，可能需要等待。
SQL 2005 has snapshot-based isolation levels that prevent readers from blocking writers or writers from blocking readers without allowing dirty reads.
SQL 2005有一个 基于快照的隔离级别 ，它能在不允许“脏读”的情况下避免数据读取阻塞数据写入，或者数据写入阻塞数据读取。
The trouble with moving from interventionist industrial policy to a hands-off, liberal approach is that you have to intervene, and get your hands dirty, to get from here to there.
从干涉主义的产业政策转向放任自由的模式，其间的困难是你必须加以全面干预，不能撒手不管。
You must create it, taking from the world the raw materials you need and shaping it with your bare dirty blistered hands, pushing the clay into form from its shapeless muddy glob.
你必须去创造它，用你的双手塑造一个从未加工的原材料，将一个不成形的泥团捏成规则的形状。
He found that it came from the river polluted by the dirty water from London.
他发现，水是从河里来的，而河水被伦敦排出的脏水污染了。
Whether made from shrubs like jatropha or, even better, algae that can thrive on dirty water, bio-kerosene is being tested by everyone from the U.
从一些灌木丛诸如麻风树，或者再好一些，如从海藻（在污水中能大量生长）加工而来的生物煤油可能用于飞机燃料。 美国空军 （U。
Whether made from shrubs like jatropha or, even better, algae that can thrive on dirty water, bio-kerosene is being tested by everyone from the U.
从一些灌木丛诸如麻风树，或者再好一些，如从海藻（在污水中能大量生长）加工而来的生物煤油可能用于飞机燃料。 美国空军 （U。
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