noun ダウンロード 🔗共有 哺乳類 An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young. Examples : "The dog is a mammal because it is warm-blooded, has fur, and nurses its puppies. " 犬は温血動物で、毛皮があり、子犬に乳を与えるため、哺乳類です。 animal biology organism AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 哺乳類 A vertebrate with three bones in the inner ear and one in the jaw. Examples : "The zookeeper pointed out that the animal was a mammal because it had three tiny bones in its inner ear. " 動物園の飼育係は、その動物が内耳に3つの小さな骨があるため、哺乳類であると指摘しました。 animal biology organism physiology anatomy AIとチャット語彙ゲーム読解練習