Scientists are only just beginning to understand what those constraints are.

科学家才刚刚开始了解那些制约因素是什么。

People were leaving and I'd only just arrived.

人们正在离开，而我刚刚到达。

I've only just got up and I'm still half asleep.

我刚刚起床，还在半睡半醒中。

We'd only just set off when the car broke down.

我们刚刚出发，汽车就抛锚了。

I am really sorry I didn't write back earlier but I have only just got back from holiday.

我真的很抱歉没有早点回信，但我刚刚度假回来。

It is also only just beginning.

而它也才只是刚刚开始。

I have only just recuperated from a severe illness.

我刚刚大病初愈.

But his problems were only just beginning.

但他的麻烦才刚刚开始。

But our journey has only just begun.

但是我们的进程才刚刚起步。

The decisive battle for Europe had only just begun.

决战欧洲才刚刚开始。