| 释义 |
〔midge〕Any of various gnatlike flies of the family Chironomidae, found worldwide and frequently occurring in swarms near ponds and lakes.双翅目小昆虫：一种双翅科中咬人的小昆虫，遍布于世界各地，通常在水塘和湖泊附近成群出现〔oreodont〕Any of various extinct sheep-sized ruminant artiodactyls of the family Merycoidodontidae, widespread during the Eocene through the Miocene epochs in North America.岳齿兽：岳齿属中现已灭绝的多种体似绵羊的反刍性偶蹄动物中的任何一种，从始新世到中新世时期遍布于北美 |