winter moth造句

• Visser ' s research shows that the winter moth population at de hoge veluwe is declining , but he has not collected moth numbers long enough to be sure this is not part of a natural cycle
  维瑟的研究显示，侯格维陆威园区的冬季蛾类族群正在减少，但他?集蛾类数量的时间还不够久，无法判定这是否为自然循环中的一部份。