noun ダウンロード 🔗共有 プソイドエフェドリン A sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer of ephedrine, with the formula C10H15NO. Examples : "Because of his stuffy nose, Michael went to the pharmacy to buy a cold medicine containing pseudoephedrine. " 鼻が詰まっていたため、マイケルはプソイドエフェドリンを含む風邪薬を買いに薬局へ行った。 medicine compound substance chemistry AIとチャット語彙ゲーム読解練習