sea cow
noun [ C ] uk/ˈsiː ˌkaʊ/ us/ˈsiː ˌkaʊ/
(also Steller's sea cow)海牛
a very large sea mammal that no longer exists
A rare fossil of a sea cow was found in Aliso. 在阿里索发现了罕见的海牛化石。
He also made the first and only descriptions of Steller's sea cow. 他还首次也是唯一一次对斯特勒海牛进行了描述。
海牛目海生哺乳动物（如海牛、儒艮)
a sea mammal such as a manatee or a dugong
Sea cows can't survive in water colder than 60 degrees. 海牛目海生哺乳动物在低于60度的水中无法生存。
There are a number of places in Martin County where you might spot a sea cow. 在马丁县的许多地方都有可能看到海牛目的动物。
- More examples
- Scientists expect to learn how an ancient sea cow evolved.
- Paleontologists have discovered the nearly complete skeleton of a sea cow.
- A good cold snap encourages the sea cows to congregate in rivers, canals and warm water.
- They are looking at doubling speeding fines to prevent boaters from hitting the endangered sea cows.