他的办公室一片狼藉，文件成堆，烟灰满缸。His office was a disaster area of papers and full ashtrays.把烟灰磕出来再装烟丝.Knock the ash out of your pipe before you refill it.他轻轻弹掉了香烟上的烟灰.He flipped the ash off his cigarette....
Defects in hemostasis may be inherited or acquired.止血作用缺陷可能是先天性的、也可能是后天性的.To research about hemostasis method for great sephenous varicosis.目的:研究大隐静脉曲张止血的方法.Platelets have a major role in hemostasis.血小板在止血中起主要作用.From tra...