His doughty campaigns for the underprivileged have earned him national respect.他为弱势群体奔走呼号，赢得了全国的尊敬。Most of successful men have the characteristics of contumacy and doughty.绝大多数成功人士都有共同的特质：脾气倔强，性格刚强。The doughty old man ba...
The apical membrane of the epithelial cells is apparently essential.上皮细胞的顶膜显然是必要的.They are located in tissues ( the apical meristems ) at the growing points of roots and stems.它们位于根和茎的生长点组织 ( 顶端分生组织 ) 中.The outer layer o...
The apple crop was wiped out by blight.枯萎病使苹果全无收成.This discriminatory policy has really been a blight on America...这项歧视性政策确实成了美国的一大祸根。In recent years, Gentiana spot blight is the most important disease of Chinese herbal ...