dugong

• 一种生活在从东非到澳大利亚沿海海域的海洋哺乳动物，身体粗壮，尾鳍呈叉形，无背鳍，以海草为食。

A sirenian tusked mammal found from eastern Africa to Australia, distinguished by its bilobate flat tail.

1. B2formal

   A large, herbivorous marine mammal with a rounded body, flippers, and a forked tail, found in warm coastal waters from East Africa to Australia.

   儒艮

   • The dugong is often called a sea cow because it grazes on seagrass.
   • Dugongs are vulnerable to habitat loss and boat strikes.
   • We spotted a dugong swimming near the coral reef.