疲劳使反应变得迟缓。Reactions were slowed by fatigue.要是他们拿不出钱，我们如何应变？What's our fallback if they don't come up with the money?他在外交界以灵活应变而闻名遐迩.He was renowned throughout the diplomatic world for his savoir faire....
With what medicine is the child tracheitis of 4 months good?四个月的小孩气管炎用什么药好?Who has the good folk prescription that treats tracheitis?谁有治疗气管炎的好的偏方?What is the optimal treatment method of chronic tracheitis?慢性气管炎的最佳治疗方法是什么...