long-tailed duck
An Arctic sea bird, Clangula hyemalis.
(historical) An Italian four-wheeled carriage, especially one let for hire; a hackney coach.
plural of crystalloclast
(immunology) immunological titration (typically of enzymes
船が近づくと、コオリガモ（Clangula hyemalis）が流氷の間を漂っていた。
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