单词 | alderfly |
释义 | al·der·fly (ôldər-flī′) n. Any of various insects of the family Sialidae, having two pairs of dark many-veined wings, long antennae, and aquatic larvae. [Probably so called because the mature insects can be found resting on foliage in the moist habitats near lakes and streams where alders typically grow.] |
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