Brazil harvested 28m bags of coffee in 1991, the biggest crop for four years.1991年，巴西的咖啡豆产量达2,800万袋，为4年来最高。In his new career as a restaurateur he has blossomed and harvested many awards.转行经营餐饮之后，他在事业上大获成功并获得了许多奖项。Great a...
根和根冠被一鞘 状 结构,即胚根鞘所覆盖.Both root and root cap are covered by a sheath - like structure called the coleorhiza.胚根鞘:保护幼根的鞘状结构.Coleorhiza ( pl . coleorhizae ) The protective sheath surrounding the radicle in grasses....
Objective To explore the value of meal examination in cartilaginous tracheobronchial ectopia of the esophageal wall.目的探讨食管壁内气管软骨异位症钡餐检查的价值.Objective To discuss the oncogenesis, clinical manifestation and relative treatme...