hippopotamus 河马
semi-aquatic 半水生的
aquatic animal 水生动物
1. The river horse spends most of its day in the water.
河马的大部分时间待在水里。
2. A river horse is a very large and heavy animal.
河马是一种非常巨大且沉重的动物。
A: Is that a river horse in the river?
A：河里那头是河马吗？
B: Yes, it is a very impressive creature.
B：是的，它是一个令人印象深刻的生物。
1) 河马的另一种称呼
2) 字面含义为“河中的马”
1. 河马
e.g.
The river horse is a semi-aquatic mammal.
河马是一种半水生哺乳动物。
noun phrase
1. A term used to refer to a hippopotamus.
Synonym: hippopotamus