What moves him is the desire to unravel the mysteries of nature.推动他们的还是解开自然之迷的愿望.A young mother has flown to Iceland to unravel the mystery of her husband's disappearance...一位年轻的母亲飞抵冰岛，要揭开她丈夫失踪之谜。The stairway carpet...
For hundreds of years, St Bernard dogs have saved the lives of travellers corssing the dangerous pass.几百年来, 圣·伯纳德的狗挽救了许多穿越这个危险关隘旅行者的生命.The famous monastery of St Bernard , which was founded in the elventh century, lies a...
Those electing to smoke will be seated at the rear.那些想吸烟的人将坐在后排。The Australian team will be seated in business class.澳大利亚队将乘坐商务舱。Six people, and more at a pinch, could be seated comfortably at the table.这张桌子可以很舒服地坐6个人，而且...
喝河水很容易闹肚子。It's easy to get a tummy upset from river water.这些堤坝限制了河水顺流而下。These dams have restricted the flow of the river downstream.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Springs and rivers that drain into lakes carry dissolved n...