any of several small,grayish North American birds of the genus Regulus,having a yellowish or reddish patch on the crown of the head是什么意思_any of several small,grayish North American birds of the genus Regulus,having a yellowish or reddish patch on the crown of the head在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句