| 单词 | eider |
| 释义 | ei·der (īdər)n. Any of several large sea ducks, especially of the genus Somateria of northern regions, having soft, commercially valuable down and predominantly black and white plumage in the male. [Back-formation from EIDERDOWN.] eidermale (foreground) and female (background) common eiders Somateria mollissima |
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