I am no physicist, but I imagine you have all blown air over the top of an empty bottle and heard the sound it makes.

我不是物理学家，但我想你们都曾往一个空瓶子的顶部吹过气，并听到过它发出的声音。

youdao

My stomach remains empty, and I must tie myself up if I am not to die of hunger.

我的肚子还是空的，如果我不想饿死，我就得把裤带勒紧。

youdao

When I looked that day up in my diary I found that I had noted it down as "a very empty day" when it rained and nothing much happened.

于是，我回过头去查阅我那天写的日记，结果发现我给当天留的批语是“十分空虚的一天”，那天下了点儿雨，也没出什么大事。

youdao

At first I thought the city was empty. The buildings all were empty and in poor repair.

VOA: special.2010.07.17

At the same time, as I empty myself of a lot of my own focus on myself, it allows me to hear and pay attention to all the things that are around you.

我对自己做了清理,减少了自己的重视，这使得我能够注意到,身边的一些事情。

普林斯顿公开课 - 人性课程节选

I'm going to give a name to that. And what you see there is I'm going to call divisors initially an empty tuple, something has nothing in it. Right here. And then I'm going to run through the same loop as before, going through this set of things, doing the check.

你们可以看到这里,我初始化一个空的元组,名为divisiors，这里，然后我会去运行,跟以前一样的循环，遍历这个集合内的东西,然后做检查，现在我要做的是，每次我找到了一个除数我要把它收集起来。

麻省理工公开课 - 计算机科学及编程导论课程节选

"It's like having your guts ripped out - it's my livelihood and I feel completely empty and lost, " she said.

BBC: Artist Emily Feaver 'lost' after theft of studio

That winter, I packed a suitcase and took an empty, overheated Greyhound bus to the state mental hospital, where I trudged through blinding drifts of cold and was shown to a room in a staff dormitory.

NEWYORKER: The Reptile Garden

But the restaurant was nearly empty and I was curious.

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