他们是夫妻用英语怎么说

"They are a couple" 或 "They are a married couple" 是表示夫妻关系的常用说法。

其中 "couple" 是英语中常用的夫妻关系词汇，来源于拉丁语 "copula"，意为 "配对"、"连接"。"Married couple" 则是将 "married" 这个形容词加在 "couple" 之前，表示夫妻关系。

例句1: They are a couple who have been together for many years.
中文翻译1: 他们是一对在一起很多年的夫妻。

例句2: The married couple were celebrating their 50th wedding anniversary.
中文翻译2: 这对夫妻在庆祝他们的第50个结婚纪念日。