我深感泄气地回去把这消息告诉了比尔。Despondently, I went back and told Bill the news.贫穷和失业是难以解决的问题，这常常让人泄气。Poverty and unemployment are frustratingly hard to tackle.到这儿来的路上,不幸我的车胎泄气了.I unluckily had a flat tire on the way here....
Conclusion Stimulating melanogenesis is one of the mechanisms of Xiaobai Mixture in the treatment of vitiligo.结论:促进黑素形成是消白合剂治疗白癜风的作用机制之一.Objective To observe the effect of acidum tranexamicum on melanogenesis of B 16 mel...