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詞語：canvasback
canvasback的同義詞
n. aythya valisineria ，canvasback duck
canvasback的解釋
canvasback['kænvəsbæk]n. 北美帆布潛鴨
canvasback的意思
canvasback 帆布潛鴨;帆布背潛鴨;帆背潛鴨;灰背野鴨;