mergansern.
英 mɜː'gænzə; -sə | 美
中文n. [鸟] 秋沙鸭
词根词源
merganser (n.)type of duck, 1752, coined in Modern Latin (1550s), from Latin mergus "waterfowl, diver" (from mergere "to dip, immerse;" see merge (v.)) + anser "goose" (see goose (n.)).
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