用英语翻译：图片里的人是我的姐妹和我的兄弟

Here are the photos of my sister and brother.
问一举句，你是不是初一的学生啊？
我初二

教你一个词 sibling,兄弟姐妹的意思。一般用复数，即sibings,如果用作定语，用单数。
the ones in photo are my siblings.

The people in the picture are my sisters and my brothers.

The people in the picture are my sisters and brothers

The people in the picture are my sister and my brother

The people in the picture are my sisters and brothers.