0 a large reptile with a hard skin that lives in and near rivers and lakes in hot, wet parts of the world. It is like an alligator, but it usually has a longer and narrower nose -- 鱷魚
a crocodile-infested swamp 鱷魚出沒的沼澤
1 a line of people, especially children, who are walking in pairs -- 兩人一排成縱隊行走的人（尤指兒童）
Humans, dogs, elephants and dolphins are all mammals, but birds, fish and crocodiles are not.
On average, two crocodiles a year end up as road kill on Florida's Highway 1.
You can appease and appease crocodiles, but eventually they will swallow you up.
I was more or less obliged to risk the crocodiles.
The original objective was to list only those obviously dangerous animals that it was, by 1976, becoming fashionable to keep, such as lions and crocodiles.
Snakes, crocodiles, parrots, tortoises and tropical fish are all part of the worldwide trading pattern.
There is no risk of crocodiles of hostile supporters because the existing provisions obviate that need.
