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...
There were plenty of servants to wait on her.有很多仆人服侍她。She is in the fortunate position of having plenty of choice.好在她有很多选择。Are there plenty of fresh fruits and vegetables in your diet?你的饮食中新鲜果蔬充足吗？...
workmen with picks and shovels手拿镐铲的工人The car picks up speed with just a touch of the accelerator.这辆车只要你一触加速器就会加速.That vamp picks up new guys every weekend.那荡妇每周末都钓不同的男人....
Adding acid flyash in alkali - slag system forms alkali - flyash - slag system.在碱 - 矿渣系统中加入酸性粉煤灰,构成碱 - 粉煤灰 - 矿渣系统.This paper briefly introduces the performance test of flyash admixture.文章简要介绍了该粉煤灰掺和料的性能试验.We can use both...