He measured the speed at which ultrasonic waves travel along the bone.他测出了超声波穿过骨头的速度。Set up ultrasonic wire bonding laboratory.成立超声波电子焊接实验室。Modern medical technology like type-B ultrasonic checks can reveal the fetus gen...
If physical diseases are awesome, then mental melees makes one despondent like a zombie.要是说身体的疾病令人畏惧, 那么心理的骚乱则让人失魂落魄,仿佛行尸走肉.Patients often feel despondent.病人经常会感到沮丧.He was up for a time and then, without warning, despond...
这本书的封面用金银装饰.The cover of the book was laid over with gold and silver.他说,总统享用的是用金银器皿盛放的法国大餐.He said the president ate French food from gold and silver dishes.何时用金银铜牌颁奖?When were gold , silver and bronze medals awarded?...
In addition to copper, there are many other metals which are good conductors.除了铜之外, 还有很多其他金属都是良导体.He purposed to become one of the world's leading conductors.他意欲成为世界主要领导者之一.Of scuds metals conduct heat most quickly....