父母和同辈表亲用英文怎么说

"父母" 用英语叫做 "parents"，来源是拉丁语 "pater" 和 "mater"，分别表示 "father" 和 "mother"。

"同辈表亲" 用英语叫做 "cousins"，来源是拉丁语 "consobrinus"，表示 "同辈的兄弟或姐妹的子女"。

例句：

My parents are both retired. (我的父母都退休了。)
I have several cousins on my father's side. (我父亲这边有好几个表亲。)