noun ダウンロード 🔗共有 チョウザメ Any marine or freshwater fish of the family Acipenseridae that are prized for their roe and are endemic to temperate seas and rivers of the northern hemisphere, especially central Eurasia. Examples : "The expensive caviar came from a large sturgeon caught in the river. " 高価なキャビアは、川で捕獲された大きなチョウザメからとれました。 fish animal food biology AIとチャット語彙ゲーム読解練習
