Reconstructed Incan terraces and buildings show the skilled stonework for which the ancient people are celebrated.秘鲁图片集.重建的印加梯田和建筑物显示熟练的技术的石匠,其中古代人是著名的....
他测出了超声波穿过骨头的速度。He measured the speed at which ultrasonic waves travel along the bone.超声波扫描显示她怀了双胞胎。Ultrasound showed she was expecting twins.大多数处于妊娠期的妇女将被建议接受超声波检查，不过这不是强制性的。Most women will be offered an ultrasound scan ...
管板之间的侧板为循环气体导流.The side plate will lead the cycle air streaming.侧板间距调整,用电控数字显示,尺寸精确.Side bar space is accurately adjusted by Numeric Control Panel.在侧板还准确.The side plates are also accurate....
激进的女权主义是时下名嘴阶层热议的话题。Radical feminism is currently the fashionable topic among the chattering classes.这个公司想摆脱它面向低消费阶层的形象。The company wants to break away from its downmarket image.长期失业的人正形成新的贫困阶层。The long-term unemployed a...
an old engraving of London Bridge古老的伦敦桥版画The process of preparing a printing surface electrotyping by first engraving on a wax - coated metal plate.'蜡'.''模,''.'蜡'.''刻制版&#...