人体主要是由骨骼、肌肉和脂肪构成。The body is made up primarily of bone, muscle, and fat.游泳有助于改善骨质疏松和骨骼脆弱。Swimming is helpful for bones that are porous and weak.人的骨骼由206块骨头组成。The human skeleton consists of 206 bones....
“圣诞节以来物价降了4成，”他悲叹道。"Prices are down 40 per cent since Christmas," he lamented.年初以来，物价已经上涨了21%。Prices have climbed by 21% since the beginning of the year.明年物价一定会上涨。There are bound to be price increases next year....
The measurement technology of fluxgate is used to design the orientation sensor.介绍以磁通门技术为工作原理的方位传感器的设计.Operation principle of fluxgate magnetometer is simplify described.简述了二次谐波法磁通门磁强计的工作原理.CCM - 4 - magnetometer to meas...
He just scowled at Mammy and passed it over.他只是对嬷嬷皱了皱眉头,就不再理会了.Soon Mammy would be with her -- Ellen's Mammy , her Mammy.骑马上就要到她这里来了 ---- 爱伦的嬷嬷, 思嘉自己的嬷嬷." Mammy, I want you to tell me about Mother." 嬷嬷, 我要你谈谈母亲的情况....