Factories are no longer allowed to pollute the air with black smoke.不再允许工厂的黑烟污染空气了.These gases pollute the atmosphere of towns and cities.这些气体污染了城镇的空气。Mining would pollute the lake and denude the forest.采矿会污染湖水，毁掉森林。Bicy...
He was at my door night and day, demanding my attention.他日日夜夜呆在我门口，想引起我的注意。Night and day begin to merge.夜尽昼来。Chantal kept a fire burning night and day.尚塔尔让一堆火日夜不熄地一直燃着。...
感染的可能性极小。The likelihood of infection is minimal.她迟到的可能性极小。It is highly unlikely that she'll be late.水中含量极小的化学成分minute amounts of chemicals in the water...
The whole house was spotlessly clean.整座房子一尘不染。The metro is efficient and spotlessly clean.地铁非常快捷，而且一尘不染。She made sure that the glassware and earthenware were always spotlessly clean.她总是把玻璃器皿和陶器洗刷得干干净净.The house had huge,...