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...
Sherlock Holmes is a famous Sherlock in stories.故事中的福尔摩斯是著名的私家侦探.Sherlock Holmes is a famous detective in stories.故事中的福尔摩斯是著名的侦探.Sherlock Holmes had many adventures.夏洛克·福尔摩斯冒过多次险....