Patients are mostly referred to hospital by their general practitioners.病人大多数是在他们的全科医生建议下转往医院就医。Any ion electrostatically bound to the exchanger is referred to as counterion.靠静电引力结合在交换剂上的离子,叫做平衡离子.Land is referred to as ...
一只美洲蛇鸟——塘鹅的一种——张开了它的翅膀晾干羽毛.An Anhinga — a pelican relative — stretches its wings to dry its feathers.蹼足动物包括鸭子, 鹅和塘鹅.Totipalmate animals include ducks, geese, and pelicans.营救人员解开了钓鱼线.这只塘鹅不久就能痊愈.Rescue workers removed the ...