原级：hippo
1. Scores of protesters picketed ministry offices in Bogota on Tuesday, objecting to what they called the " death sentence " handed down against the hippos.
2. hippos
2. The hippos are typically found bathing in one of the large ponds.
3. hippos
3. Only one of the seven hippos born there over the past four years has died, said Han Kejia of the zoo management.
4. The range of habitats was suitable for hippos, crocodiles and relatives of the wildebeest.
5. " The Fauna Management Committee is accordingly looking for more homes for hippos, " she added in a statement.
6. 911查询·英语单词
6. Tourists with binoculars scan for hippos in streams running down wooded hills.
7. Karlsruhe police said elephants and hippos were saved from their enclosures next to the petting zoo that caught fire and burned down early Saturday.