noun ダウンロード 🔗共有 神経伝達物質 Any substance, such as acetylcholine or dopamine, responsible for sending nerve signals across a synapse between two neurons. Examples : "When Maria felt happy after receiving good news, the neurotransmitter dopamine was released in her brain. " マリアは良い知らせを受け取って幸せを感じたとき、神経伝達物質ドーパミンが彼女の脳内で放出されました。 medicine physiology biochemistry biology substance organ body communication signal sensation mind AIとチャット語彙ゲーム読解練習