Chlorine is used to disinfect water.氯用来给水消毒。Plough deeply in 30cm, and insolate in the sun to disinfect.深耕30厘米，曝晒日光消毒。Disinfect the wound before you bandage it up.伤口包扎之前应先消毒....
Chlorine is used to disinfect water...氯用来给水消毒。Plough deeply in 30cm, and insolate in the sun to disinfect.深耕30厘米，曝晒日光消毒。Disinfect the wound before you bandage it up.伤口包扎之前应先消毒.Chlorine is used to disinfect water.氯用来给水消毒。...
The house stands on a shelf of rock among pines.房子矗立在松树丛中一块突出的岩石上。Rain pattered gently outside, dripping on to the roof from the pines.外面，松树上的雨水滴落在屋顶上，嗒嗒作响。We took a long walk through the pines.我们在松树林中穿行了很久。...
His best selling line is the cheapest lager at £1.99.他最畅销的产品是最便宜的只卖1.99英镑的贮藏啤酒。Old movies were the cheapest broadcast fodder.老电影是最廉价的播放素材。Britain still boasts the cheapest postal service.英国仍拥有最便宜的邮政服务系统。...