百日咳正在广泛流行.Whooping cough is very prevalent just now.因为孩子们没接种疫苗，麻疹、腮腺炎和百日咳又蔓延开来。Measles, mumps and whooping cough are spreading again because children are not being vaccinated.你给你的孩子打过百日咳疫苗了吗？Have you had your child vacci...
She puckered her lips into a rosebud and kissed him on the nose.她双唇努起犹如一朵玫瑰花蕾，在他的鼻子上吻了一下。Unlike the Rosebud salve , this stuff is actually worth the money.跟玫瑰花蕾膏不一样, 这个更值的买!And Rosebud was just a sled.而那个玫瑰花蕾也只是个雪橇....
吴尔芙用自传的形式撰写欧兰朵的故事.Woolf tells the story of Orlando in a biographical format.他们把他的照片放在他自传的书皮上.They put his photograph on the dust jacket of his autobiography.她这本自传于1990年出版, 当时才不过22岁.我对自传的看法并不重要.What I have to say about he...
The dynamic SIF variation was found to lag behind the stress - pulse imingement by several microseconds.动态应力强度因子的变化发现滞后于应力脉冲冲击几微秒.The basic dynamic variables are then the operators associated with the creation and annihi...