There is no evidence whatever that competition in broadcasting has ever reduced costs...没有任何证据表明，广播业的竞争使成本有所降低。Digital TeleVision ( DTV ) broadcasting is realized by satellite, cable and terrestrial wireless.数字电视广播主要通过卫星...
敏感肌肤专用面霜不会破坏皮肤表面的保护层。Sensitive Cream will not strip away the skin's protective layer.她把糖霜浇在蛋糕上面，并用刀子轻轻涂抹开。She spread the icing over the cake, dabbing it with a knife.涂抹乳霜或化妆品时动作要轻。Use a light touch when applying cre...
乙二醇迅速地被它氧化,生成草酸和羟基醋酸.Glycol is oxidized rapidly by it to oxalic and glycolic acids.结果表明,聚乙二醇缩水甘油醚对丝胶蛋白具有明显的交联作用.The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.用氚标记雌二醇结合法测定瘤内的ER...
He had had an arm amputated and relied on her to take down his books from dictation.他的一只胳膊截掉了，只能口授书的内容让她来记录。I'll take down the heads if you please, sir.我要把大纲记下,请你原谅, 阁下.Do you think we should take down the decoratio...