Whenever I have a cold I get a nosebleed.每次我感冒都会流鼻血。A nosebleed is an issue of blood from the nose.鼻衄就是鼻孔流血的结果.I always end up sitting in the nosebleed section.我老是落得坐到最烂的位子....
学校的老师们很喜欢他，但同学们对他并不待见。He was a favorite with his schoolmasters but not his schoolmates.由于体胖，她成了班上同学嘲笑的对象。As a heavy child, she became the object of ridicule from classmates.这两个耶鲁大学57届毕业生每次同学聚会都参加。These two members of Yal...
Lysozyme is an enzyme found in egg white, tears, and other secretions.溶菌酶是存在于卵白 、 泪和其他分泌物中的一种酶.Chest percussion and vibration are used with postural drainage to help dislodge secretions.在做体位引流时要敲击和振动胸部帮助分泌物松动排出.Surfactan...