| 单词 | alder fly |
| 释义 | alder fly (once / 2363863 pages) n WORD FAMILY alder fly n dark-colored insect having predaceous aquatic larvae Syn|Hyper Sialis lutaria, alderfly neuropteran, neuropteron, neuropterous insect insect having biting mouthparts and four large membranous wings with netlike veins |
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