They were distant cousins.是什么意思？

They were distant cousins.

他们是远房表亲。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

distant

adj. 遥远的，冷漠的，冷淡的，远离的，远隔的，不太清晰的；

例句
The distant object of his affections is Caroline...
他一厢情愿地爱慕卡罗琳。

cousins

n. 堂[表]兄弟[姊妹]( cousin的名词复数 )，远亲，同辈，同胞；

例句
Whereas West Germans drink wine, their Eastern cousins prefer Schnapps...
西德人喝葡萄酒，而他们东德的兄弟姐妹则喜欢喝杜松子酒。