Turn the bottle upside down to empty it before you fill it with oil.

把瓶子先控一控再装油。

《新英汉大辞典》

If the string is not empty it will contain the value of the variable requested.

如果字符串非空，它就包含请求的变量值。

youdao

Then warm the pot by pouring in a little boiling water, and then empty it out.

然后倒一点沸水温一下茶壶，然后倒出来。

youdao

The people seem so empty of joy that when she touched their cold fingers it is as if she were shaking hands with a storm.

VOA: special.2009.11.15

I'm gonna keep as part of each stock, it's history of prices, which we can initialize, well, I've initialized it as empty, but that's probably the wrong thing, right?

我会把股票的历史价格，作为每只股票的一部分，我们可以先对它的历史价格进行赋值，好了，我先给它赋了空值，但是这样做可能不对，是吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

Right now it's empty, actually it's not quite empty, it has a pointer back to the class.

当我调用了这个类的，定义声明的时候，它在内存中的特定点。

麻省理工公开课 - 计算机科学及编程导论课程节选

She could crack open an egg and empty it with one hand.

NEWYORKER: The Woman of the House

When completely empty it takes a maximum of eight hours to fully charge the battery at a household socket or charging station on the electricity systems of most countries i.e. overnight.

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Intensely radioactive water from reactor Unit 2 is filling a nearby tunnel faster than workers can empty it, and radioactive levels of seawater near the plant increased sixfold following an aftershock on Saturday.

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