通过化学絮凝, 活性炭吸咐及离子交换得容易将它们除去.They are removed more readily by chemical flocculation, activated carbon absorption and ion exchange.通过这种方法加速的过程称为絮凝.This process is enhanced through the operation known as flocculation.在制备箱中,絮...
她用镐和平锹挖地基。She dug the foundation with a pick and shovel.碎砖石可以用来铺路基和庭院地基。Brick rubble is useful as the base for paths and patios.如果地基不牢，房子将会倒塌。If the foundations are flawed the house will come tumbling down....
Mr. Norton's head jerked like a jabbed punching bag.诺顿先生的头象戳破了的拳击吊袋一样陡然一动.Norton has reviewed conditions of deposition of the uranium host rocks.诺顿论述了含铀主岩的沉积条件.He picks up the bogus stack, crosses to Norton, and sho...
In one room, young mothers weave while babies doze in their laps.在一间屋子里，年轻的母亲们在织布，而她们的孩子就在她们膝上打盹。After lunch I had a doze.吃过午饭，我小睡了会儿。I had a doze on the train.我在火车上打了个盹儿。...