| 单词 | arapaima |
| 释义 | Word Frequency arapaima(ˌærəˈpaɪmə) noun a very large primitive freshwater teleost fish, Arapaima gigas, that occurs in tropical South America and can attain a length of 4.5m(15 ft) and a weight of 200 kg (440 lbs): family Osteoglossidae Word origin via Portuguese from Tupi |
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