...a mixture of wild and cultivated varieties.野生品种和栽培品种的混作Certain varieties cannot be fertilised with their own pollen.某些物种只能异花授粉。The cardigans in numerous varieties are a feast for the eyes.品种多样的羊毛衫,琳琅满目.The three most ...
No plea can be set up on the ground of ignorance.以无知为理由而提出的抗辩是不能成立的.He left on the ground of ill.他以生病为理由离开了.The youngster has been excused by the law on the ground of his youth.这个青年由于年轻而受到法律的赦免....