Which is considered a weakness of the city-level measures to tackle dirty air?
哪些被认为是城市层面应对空气污染措施的不足之处？
A bullock cart is crossing the river now, so the water is dirty and it can't be drunk.
一辆牛车正在过河，所以河水很脏，不能喝。
It depends on just how many bacteria can make it from floor to food in a few seconds and just how dirty the floor is.
这取决于有多少细菌能在数秒内从地上转移到食物上以及地有多脏。
Her household bills piled up, along with the dishes and dirty laundry, but it took near-constant complaints from her four daughters before she realized she had a problem.
她的家庭账单、碗碟和脏衣服堆积如山，但四个女儿几乎不停抱怨才让她意识到自己的问题。
He had a dirty little room close by the pigsty; and there he sat the whole day, and worked.
他有一间靠近猪圈的肮脏的小房间；他整天坐在那里工作。
On one of the dirty buff-colored walls were a couple of shelves, containing in all perhaps a dozen bottles and jars.
在肮脏的浅黄色墙上嵌着几个架子，上面摆放着一打瓶瓶罐罐。
Pigeons are often seen as dirty birds and an urban nuisance, but they are just the latest in a long line of animals that have been found to have abilities to help humans.
人们常把鸽子视为肮脏的鸟类或是城市的公害，但他们只是众多有能力帮助人类的动物中的最新一员。
Presenting a sloppy or confusing executive summary is like going to a loan interview in a dirty old pair of shorts, or even worse.
呈递上一份马虎或令人不解的执行概要，就像穿着一条又脏又旧的短裤去面谈贷款事宜，或者甚至更加糟糕。
"Angels with Dirty Faces" is a Cagney gangster pic.
《一世之雄》是一部由卡格尼主演的黑帮片。
Dirty hands can be a breeding ground for germs.
脏手会滋生病菌。
Dirty streets are no advertisement for a prosperous society.
肮脏的街道绝不是繁荣社会的景象。
Countries cannot have it both ways: the cost of a cleaner environment may sometimes be fewer jobs in dirty industries.
各国不能二者兼得：环境更为洁净的代价有可能是污染工业的减少。
Dirty streets and homelessness are no advertisement for a prosperous society.
肮脏的街道和无家可归现象绝不是繁荣社会的景象。
As a member of an elite army hit squad, the army would send us out to do their dirty work for them.
身为精锐突击队的成员，部队会派我们去执行艰难的任务。
I loved getting dirty, paddling canoes all day long and making friends to last a lifetime.
我喜欢变得脏兮兮的，整天划着独木舟，交朋友，我愿意这样过完一生。
Humans will be spared many of the dirty, repetitive, and dangerous jobs that have long been a feature of factory life.
人类将不再从事许多肮脏、重复和危险的工作，长期以来，这样的工作一直是工厂生活的特征。
What was his surprise when a dirty street-boy, with a barrel-organ on his back, stood before him!
使他吃惊的是，一个衣衫褴褛的男孩子背着手摇风琴站在他的面前！
Banks can save a lot of money and avoid regulatory headaches by moving to a cash-free system, and they can also avoid bank robberies, theft, and dirty money.
通过采用无现金系统，银行可以节省大量资金，避免监管方面的麻烦，还可以避免银行抢劫、盗窃和非法钱财。
"The indoor environment was dirty long before energy conservation came along," says Moschandreas, a pollution scientist at Geomet Technologies in Maryland.
马里兰州交美特科技公司的莫斯坎瑞斯，一位专门研究污染的科学家，说：“早在节能技术出现之前，室内环境就已经很脏了。”
While he was going back home, a dirty dog followed him.
他回家时，一条脏狗跟着他。
This is a huge problem because dirty water can create illnesses.
这是一个大问题，因为脏水会导致疾病。
The mailman said, "Sir, your house is wonderful, but the windows are a bit dirty. You can make it more wonderful by cleaning them."
邮递员说：“先生，你的房子很好，但是窗户有点脏。你可以清洗它们，使其变得更美好。”
Barefoot and dirty, she was silent and did not say a word.
她赤着脏脚，沉默着不说话。
Her family didn't want her to become a nurse because hospitals then were dirty, horrible places.
她的家人不希望她成为一名护士，因为那时的医院是肮脏、可怕的地方。
Dirty shorts and old shoes gave him the appearance of a real beggar and his convincing dialect soon won him the trust of the beggars.
肮脏的短裤和旧鞋子使他看起来像一个真正的乞丐，他那令人信服的方言很快赢得了乞丐们的信任。
Wearable – it's almost a dirty word in fashion, wearable, but that's what I do.
耐穿——这在时尚界快成了一个肮脏的词汇，耐穿，但这就是我做的。
A dirty young man searched through a pile of blackened onions, picking out those that were not inedibly charred.
一个肮脏的年轻人在一堆被熏黑的洋葱中翻腾，挑出来那些还没烧到不能吃的。
It was a dirty thing to do…” Arbus explained in a lecture in 1970.
做这个真是一件肮脏的事……”阿勃丝1970年在一个讲座上这样解释。
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