조류독감 썸네일형 리스트형 How To Prevent and Recognize Swine Flu POINTS TO STUDY Let’s learn about H1N1 (Swine Flu) first, before going panic about! VIDEO http://www.youtube.com/watch?v=LM-ynizbdFQ SCRIPT, LISTENING TIPS, & GRAMMAR How To Prevent and Recognize Symptoms Of Swine Flu Some common sense and precautions can help you to keep safe from this potentially deadly infection, also known as H1N1 influenza. You will need // hand washing, knowledge of sympto.. 더보기 이전 1 다음