20mins加不加s

要加s,so 20minutes=20mins.

minute

n.分,分钟,片刻,一瞬间,备忘录,笔记

vt.记录,摘录,测定时间

adj.

微小的,详细的,仔细而准确的

Put headlight on baking pan and in oven for18 – 20 mins.

付诸表决，头灯对烘焙潘和插入在焦炉为18-20分钟。

Increase IIS timeout from default ( 20 mins) to60 mins ( see below)

将IIS超时从默认值（20分钟）提高到60分钟（如下所示）

Would you mind leaving us alone for a few minutes?

你不介意让我们单独待一会吧？

Could you possibly forget about work for five minutes?

你能不能匀出五分钟来不去想工作？