"堂兄弟妹"用英语称为 "cousins"。
"cousin" 来源于拉丁语 "cognatus"，意思是 "同族的"。
例句：
My cousins and I always have a great time together at family gatherings. (我和我的堂兄弟妹在家庭聚会上总是度过美好时光。)
I have a lot of cousins on my mother's side of the family. (我的母亲一边有很多堂兄弟妹。)
My cousin is coming to visit next week. (我的堂兄弟妹下周要来看我。)