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...
Mining would pollute the lake and denude the forest.采矿会污染湖水，毁掉森林。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.She thinks these books pollute the minds of children.她认为这些书腐蚀儿童的心灵....
Forts and churches almost always go together , and yet they're downright contradictions.有要塞的地方,就一定有教堂, 然而,这两者显然是水火不相容的.The warships opened fire on the forts.几艘军舰向堡垒开火.Forts are framed for defense.建筑城堡是为了防御....
She grew many wonderful plants that were unfamiliar to me.她种了很多我不熟悉的奇妙植物。The book is essentially a taster for those unfamiliar with the subject.这本书基本上会让那些不熟悉该学科的人对其有个初步了解。She felt uneasy in the unfamiliar surroundings.她在...