在清澈的晨空里，没有了雾气和灰尘的遮挡，他是那么明亮又美丽。

Very beautiful and bright he looked in the clear morning air, with no smoke or dust to hide him.

youdao

一个人想跑步，但却不去跑，整天坐在空里研究如何跑步，结果研究了十年，还是不会跑步。

A person wants to jog, but actually does not run, how sits all day in spatial studies to jog, finally has studied for ten years, will not jog.

youdao

她走到了洗涤槽边，往空玻璃杯里灌水。

She went to the sink and ran water into her empty glass.

《柯林斯英汉双解大词典》

But unlike the case with boron where we had an empty p orbital, we're actually going to have an electron in the p orbital of carbon as well.

但和硼里面有个空的p轨道不同，我们实际上有一个电子,在碳里p轨道里也有电子。

麻省理工公开课 - 化学原理课程节选