manta
noun /ˈmæntə/
  /ˈmæntə/
 (also manta ray)
- a large fish that lives in tropical seas and swims by moving two parts like large flat wings双吻前口蝠鲼(体宽大于长,见于暖水海域) 词源late 17th cent.: from Latin American Spanish, literally ‘large blanket’.