Co

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📖 中文释义

📘 English Definition（英文释义）

n an odorless very poisonous gas that is a product of incomplete combustion of carbon
n a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
n one who refuses to serve in the armed forces on grounds of conscience
n a state in west central United States in the Rocky Mountains