双そう生せい児じそうせいじCommon wordFreq.FrequencyTop 50,000Meanings1nountwinsRefers to twins, often used in medical, biological, or formal contexts. In everyday conversation, 双子 (ふたご) is more common.双そう生せい児じの研けん究きゅうは遺い伝でん学がくに重じゅう要ようなデータを提てい供きょうする。Twin studies provide important data for genetics.彼かの女じょ
