When it is warm enough, the children souse into the swimming pool.当天气够暖和时, 孩子们就投入到游泳池中.Swimming was one of her greatest satisfactions.游泳是她最大的乐趣之一.There is a big indoor swimming pool in this hotel.这家旅馆内有一个大的室内游泳馆。You have...
Swimming is probably the best form of exercise you can get.游泳或许是现有的最佳锻炼方式。There was swimming and sailing down on the lake.有人在湖上游泳和扬帆。Dangerous undertows make swimming unsafe along most of the coastline.由于存在着危险的下层逆流，在大部分海...
Crystals having this property are said to be doubly refracting , or birefringent.具有这种性质的晶体叫做双折射晶体.In pregnancy a high fibre diet is doubly important...在孕期,含高纤维素的饮食越发地重要。She now felt doubly guilty; she had embarrassed Fra...
Objective : To observe the clinical effect of Kangxunwan on acute urticaria in pilots.目的: 观察抗荨丸治疗飞行员急慢性荨麻疹的临床疗效.The pilots had to take emergency action to avoid a disaster...飞行员不得不采取紧急措施避免灾难的发生。He had always been irrelig...
在这和中心之间是一种铜银合金.Between this and the core is an alloy of copper and silver.铜基合金电触头是银合金触头的换代产品.Copper - based alloy electrical contact is silver alloy contact replacement.简要分析了银合金变色的原因.The reasons why the silver alloys tar...