twin

/twɪn/

either of two offspring born at the same time from the same pregnancy

中文释义：双胞胎之一；孪生儿

The twin sisters have very different personalities despite looking alike.

这对双胞胎姐妹虽然长得像，但性格迥异。

Being a twin often means sharing a strong bond from childhood.

作为双胞胎通常意味着从小就有紧密的联系。