relationship什么时候加s

表示复数时加s

n. 人际关系；生物间的关系；情侣关系（relationship的复数）

It is imperative to find the relationships between the two cases.

当务之急是找出这两起案件的关联。

Their relationship flowered.

他们的关系变得更好了。

Their relationship soon went sour.

他们的关系很快有了嫌隙。

She is in a loveless relationship.

她身陷一段没有爱情的关系中。

Our relationship fizzled into nothing.

我们的关系无果而终了。

Their relationship was totally asexual.

他们的关系完全是无性的。