Snakes and crocodiles are both reptiles.蛇和鳄鱼都是爬行动物.The children walk in crocodiles from the schoolhouse to the dining-room for lunch.孩子们排队从校舍去餐厅吃午饭。Snakes, lizards, and crocodiles are reptiles.蛇 、 蜥蜴和鳄鱼是爬行动物....
Clients normally pay fees in advance, monthly, quarterly, or yearly.客户通常按月、季度或年度预付费用。Vets' fees can be considerable, even for routine visits.即使是常规检查，兽医的收费也会相当高。He will have to fork out for private school fees for Ni...
Her brother was an accomplished linguist.她的哥哥能熟练地说好几种语言。She's an excellent linguist.她精通数国语言。I used to be a linguist till I become a writer.过去我是个语言学家,后来成了作家....