这种分类方法代替了林奈LINNAEUS的分类方法, 后开又被本瑟姆BENTHAM和虎克HOOKER有所改进.This classification replaced that of LINNAEUS, eventually being improved upon by BENTHAM and HOOKER....
...a gruelling journey that would have daunted a woman half her age...比她年轻一半的女子都会胆怯的累人旅程It commemorates a trek more gruelling than the tourists who gawp at it can imagine.它是为了纪念一次艰苦的跋涉,其艰难程度超出了那些看到这座雕像的人的想象.This flight w...
The arteries are diseased and a transplant is the only hope...动脉已经发生病变，移植是唯一的希望。Even grafting new blood vessels in place of the diseased coronary arteries has been tried.甚至移植新血管代替不健康的冠状动脉的方法都已经试过.Objective To explore the...