just是什么意思just

例句：

Maybe they've just gone shopping.

或许他们刚刚去买东西了。

The child had just wakened.

这孩子刚醒。

I've just discovered hang-gliding!

我刚知道有悬挂式滑翔运动！

He's just a business acquaintance.

他只是业务上认识的人。

I'll just make the coffee.

我就来煮咖啡。