poldervaartite
(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, hydrogen, manganese, oxygen, and silicon.
Flight; flying.
Not spoken.
(nautical) An Irish boat, constructed like a coracle, and originally the same shape; now a boat of similar construction but conventional shape and large enough to be operated by up to eight oars.
野外調査で、地質学者はカルシウム・水素・マンガン・酸素・ケイ素を含む、直方晶系の二錐面体構造を持つ鉱物の試料を注意深く記録し、その結晶形と元素組成を観察した。
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DiQt
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