robin dipper
(regional, obsolete) The bufflehead duck.
simple past tense and past participle of airfreight
present participle of calcinate
The atomic unit of energy, defined as 2R_∞hc, where R_∞ is the Rydberg constant, h is the Planck constant and c is the speed of light.
夜明けに、一羽のバッフルヘッド（小型のカモ）が葦の間で上下に泳ぎながら潜り、薄明かりの中で光沢のある頭をちらつかせていた。
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DiQt
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