When I look around, it seems to me there are a lot of siblings who are of the same sex.
ーWhen I look around, it seems to me there are a lot of siblings who are of the same sex.
「周りを見ると、同性の兄弟(姉妹)がたくさんいるようだ」
to look around で「見回す・見て回る」
siblings で「(男女の区別をつけない)兄弟」
same sex で「同性」
ご参考まで!
It seems like there are more same-gender siblings around me.
『周りを見ていると同性の兄弟のほうが多い』というフレーズは、『It seems like there are more same-gender siblings around me.』と表現できます。
it seems like: 〜のようだ
same-gender siblings: 同性の兄弟姉妹
around me: 私の周りに