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单词 white-back
释义

Definition of white-back in English:

white-back

noun ˈwʌɪtbak
  • Any of various birds with white backs; especially (US) the canvasback duck, Aythya valisineria.

Origin

Late 18th century. From white + back. Compare earlier white-backed.

Definition of white-back in US English:

white-back

nounˈwʌɪtbak
  • Any of various birds with white backs; especially (US) the canvasback duck, Aythya valisineria.

Origin

Late 18th century. From white + back. Compare earlier white-backed.

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更新时间:2024/11/10 1:09:57