mitochondrialKK [ˏmaɪtəˋkɑndriəl] /ˌmaɪtəˈkɑndɹiəl/發音形容詞1粒線體的生物Mitochondrial DNA is passed down only from the mother.粒線體DNA只會從母親那一方遺傳下來。2粒線體疾病的醫學Her fatigue turned out to be caused by a rare mitochondrial disease.她的疲倦後來查出是罕見的粒線體疾病所引起。