We played that record all night long.我们整晚都在放那张唱片。The mother sat by the sick child all night long.妈妈整夜守在生病的孩子身旁.All night long he turned and tossed in bed.整整一夜他在床上翻来覆去地睡不着....
Stooping down, he picked up a big stone and hurled it.他俯身捡起一块大石头扔了出去。Stooping, he stared at him in breathless and frozen ferocity.他弯下身躯,盯着他, 满脸凶相,令人失魂落魄,毛骨悚然.The rest were all somewhat stooping, as though watching the ma...
This paper presents the development of acoustic immittance apparatus and application in diagnosis of ear disease.本文详细介绍了声导抗测试技术的发展及在耳科疾病诊断中的应用.This paper presents the contactless control of flasher with triode.提出了用三级管导通和...