identical twin

US /aɪˌden.tɪ.kəl ˈtwɪn/
UK /aɪˌden.tɪ.kəl ˈtwɪn/
"identical twin" picture
1.

일란성 쌍둥이

either of two fetuses or children born at the same birth who have developed from the same ovum and are therefore always of the same sex and usually very similar in appearance

:
My cousins are identical twins; it's hard to tell them apart.
내 사촌들은 일란성 쌍둥이라서 구별하기 어려워.
She gave birth to a pair of healthy identical twins.
그녀는 건강한 일란성 쌍둥이를 낳았다.