| 释义 | 
		ol·ive-backed thrush AHD[ŏlʹĭv-băkt'] D.J.[ˈɒlɪvˌbækt]K.K.[ˈɑlɪvˌbækt]n.(名词)- A North American thrush(Hylocichla ustulata)  having a dark olive-brown back and common in spruce and fir forests. Also called  Swainson's thrush 褐背画眉:一种北美的画眉鸟(橄背鸫 鸫属) ,背部为深的青褐色,在针枞林和杉林中常见 也作  Swainson's thrush
 
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