| 单词 | 翼下 |
| 释义 | 〔hairstreak〕Any of numerous butterflies of the subfamily Theclinae, having transverse streaks on the undersurface of the wings and fine, hairlike projections on the hind wings.小灰蝶：蝴蝶亚种灰蝶的一种，翼下有横的条纹，后翼有细毛状突起〔redwing〕A European thrush(Turdus iliacus) having reddish feathers under the wings and a white eye stripe. 红翼鸫：一种翼下有红羽、眼部有白色条纹的欧洲鸫鸟（白眉歌鸫） |
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