| 释义 |
sheath·bill AHD[shēthʹbĭl'] D.J.[ˈʃiːθˌbɪl]K.K.[ˈʃiθˌbɪl]n.（名词）- Either of two pigeonlike shore birds(Chionia alba or C. minor) of Antarctic regions, having white plumage and a horny covering on the base of the bill. 鞘嘴鸥：南极地区的两种鸽状海滩鸟（白鞘嘴鸥 或 黑脸鞘嘴鸥） 之任一种，具生有白色羽毛，嘴基部有一角状覆盖物
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