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1. The removal of minerals from water is called softening. 去除水中的矿物质叫做软化. 2.一号矿井有爆炸的危险。 There is a danger of explosion in Number One mine. Number One mine is in danger of explosion. 3.The specimen can be inserted between pieces of similar hardness; the sample can be planted; when casting resins, a slurry of resin and alumina made for just this purpose can be poured around the specimen; the specimen can be surrounded be shot, shall rivets, rings, etc, of about the same hardness. 试样可夹在具有同样硬度的工件之间，可镀层。当用充填料时，可将树脂与矾土的浆料注入试样周围，使试样被短小的护壁，环状填料（硬度差不多）等所包围。 1.Velocity changes if either the speed or the direction changes. 假如力的大小或方向改变了，速度跟着要变化。 如果速率和方向有一个发生变化，则（物体的）运动速度也随之发生变化。 2. Oil and gas will continue to be our chief source of fuel. 油和气体将继续是燃料的主要源泉。 石油和天然气将继续是燃料的主要来源。 3. 配料：面粉，薯粉，玉米淀粉，棕榈油，调料粉，白砂糖，鲜虾粉 Ingredients: wheat flour, potato starch, corn starch, palm oil, seasoning, sugar, shrimp powder splashdown 溅落 salt-former 卤素 fallout 放射性尘埃 dew-point 露点 contrail=condensation + trail 混结尾流 smog=smoke +fog 烟雾 Medicare=medical + care 医疗保健 antimatter(反物质)，antismog(反烟雾)，antiparticle(反粒子)，antipollution 后缀—logy(表示某种学科)，paleontology(太阳系星体学)，ethno mycology（人种真菌学）, anthropology(人类学)，escapology(逃生术) ADP: automatic data processing 自动数据处理 IC: integrated circuit 集成电路 DC: direct current 直流电 AC=alternating current 交流电 kuru(库鲁癫痫症)； amp(安培)； diesel(内燃机) They are regarded as electrons moving backward in time. 它们被认为是逆着时间而运动的负电子。 Eg. This is what the information systems community should be striving to achieve. 这是信息系统界应追求实现的东西。 By conductivity we mean the ability to conduct an electric current. 导电性就是指传导电流的能力。 2). Our bodies need carbohydrates to make sugar which is used to produce energy. 人体需要碳水化合物来制造用以产生能量的糖 Eg. Its being fusible makes metal into liquid when the temperature is high enough. 由于金属是可熔的，所以当温度相当高时，它就会成为液体。 Eg. It is possible to differentiate these reactions owing to their difference in intensity. 因为反应的强度不同，所以要把它们区分开来是