错，是可数名词，中文意思是n. 成年人（*** 的复数形式）

Others supported his decision, they said they were bored of noisy children in restaurants and now they could finally have a place for ***s only.其他人支持他的决定，他们说他们已经厌倦了在餐馆吵闹的孩子，现在他们终于可以有一个只提供给成年人的地方了。

***s 是可数名词

例句

1.

The new law makes no distinction between ***s and children.

这项新法律对成人和孩子同等对待。

2.

The language of teenagers is often completely inaccessible to ***s.

青少年的语言成人往往听不懂。

3.

Why can't you two act like civilized ***s?

你们俩为什么就不能像有教养的成年人那样行事呢？。