na. 〈美〉(北美)灰背野鸭 [网络] 帆背湾鸭 canvasboard: [网络] 油画板 canvasback ducks: [网络] 帆布背鸭 ; (canvasback duck 的复数) canvasboards: [网络] 帆布板 canvasback duck: [网络] 帆布背鸭 canvasduck: 粗帆布 下载手机词典可随时随地查词查翻译
