随着年龄的增加，人在消耗体力时心脏的输血能力和输血速度会有所减弱。Age diminishes the heart's ability to pump harder and faster under exertion.交感神经纤维分布于心脏的所有部分.Sympathetic fibers are distributed to all regions of the heart.心脏的功能是把血液输往全身.The function...
他正拿着一块布，布上粉红色的水滴落在地板上。He was holding a cloth that dripped pink drops upon the floor.那所教师培训学院为该学院的创立者立了一块纪念牌匾。The teacher training college put up a plaque to the college's founder.那表示尼古拉斯还想要一块巧克力曲奇。That was Nicholas&...
...the extinction of the marshes' unique ecology...湿地独特生态的消亡The salt marshes and mud flats attract large numbers of waterfowl.盐碱地和泥滩吸引了大量水鸟。...Rainham Marshes, east London, where a new bypass will divert traffic fro...