The following discussion of developable surfaces is based on that concept.下面关于可展面的讨论,便是基于这一理解.The thesis expounds the contents and methods of the developable teaching evaluation.提出了发展性教学评价的内容和一般方法.Resolution of high - pe...
His voice was harsh as he enunciated each word carefully.他一字一顿，听上去很生硬。She's got a great voice and is singing better than ever.她的嗓音非常好，现在的唱功比以往任何时候都要好。It was just an ordinary voice, but he sang in tune.他声音很一般，但唱得都在调子...