| 单词 | alderfly |
| 释义 | alderfly in British English (ˈɔːldəˌflaɪ) noun any of various neuropterous insects of the widely distributed group Sialoidea, such as Sialis lutaria, that have large broad-based hind wings, produce aquatic larvae, and occur near water alderfly in American English (ˈɔldərˌflaɪ) noun any of a family (Sialidae) of weak-flying neuropteran insects found near running water and having aquatic larvae that are often used as fishing bait Word origin alder + fly2: prob. so called because they inhabit alders along shore |
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