Once clean water is dirty from tourism development, population growth and water mismanagement.

曾经干净的水源因为旅游发展、人口增长和管理不善而变得脏污。

To win me soon to hell, my female evil Tempteth my better angel from my side, And would corrupt my saint to be a devil, Wooing his purity with her foul pride.

为使我早日望的地狱，邪恶阴柔骗走了我善性的阳刚，她还使我的好精灵化作魔鬼，用脏污的肉欲使其纯真沦为荒唐。

A dirty dishwasher or filter can trick the turbidity sensor into thinking dishes are dirtier than they are, prompting an unnecessarily long wash cycle.

脏污的洗碗机或过滤器会误导浊度传感器，使其认为具比实际更脏，触发不必要的长时间洗涤循环。

From its hiding-place he took out his mouse-nibbled volume, turned with religious care its stained and crumbled pages, and began to read Othello.

他从隐藏的地方找出了那本被老鼠咬破的书。带着宗教的细心翻开了那脏污打皱的书页，开始读起了《奥塞罗》。

You might use a rag, like this, or you might use some kind of steel wool, depending on how tough the dishes are.

你可能会用像这样的抹布，或者可能会用某种钢丝球，这取决于碗的脏污程度。

We're OK with them using manipulatives, using their hands, getting their hands dirty.

我们不介意他们使用实物教具，用手操作，甚至弄得满手脏污。

Then maybe the business looks at its smokestacks and it sees, well, one of them is newer and runs a lot more efficiently already, so they run that cleaner smokestack more, and their dirtier smokestack less.

于是， 企业可能会审视其烟囱，发现其中一座较新且已运行得更为高效，因此他们选择更频繁地使用这座较为清洁的烟囱，而减少使用那座较为脏污的烟囱。

A " stain" (stain) is a dirty mark – a dirty section of your clothing, or a sheet, or a towel; it could be on a rug, any kind of fabric.

“污渍” （stain）是脏污的标记——你的衣服、床单或毛巾的脏污部分；它可以在地毯上， 任何一种织物上。

It starts and stops frequently because of leaking liquid line, lack of refrigerant, dirty or iced evaporator and so on.

其频繁启停的原因包括液管泄漏、制冷剂不足、蒸发器脏污或结冰等。