单语范例（未经PONS编辑处理）
Females have only a red patch above the ear coverts.
en.wikipedia.org The rest of his under parts, including the under-wing coverts are white, finely and clearly barred with black or dark grey.
en.wikipedia.org The adult male is velvety red on the mantle and wing coverts and there is a broad red breast band.
en.wikipedia.org Black-and-white barred undertail coverts especially diagnostic in flight.
en.wikipedia.org The uppertail coverts are black and a weak supercilium is visible.
en.wikipedia.org