When the number of cars is doubled, the pollution is also doubled, or even worse.

当汽车数量加倍时，污染也加倍，甚至更糟。

The number of outlets could double.

酒铺数量可能会加倍。

You've got to go the extra mile.

必须要加倍努力。

That'll make them taste so much better.

这可以让它加倍美味。

Oil companies are doubling down on fossil fuels.

石油公司正在加倍使用化石燃料。

One option is to double down on materialism.

一种选择是加倍追求物质主义。

They doubled our patrols, but it's paying off.

我加倍巡逻还是值得。

If they're not, we need to redouble those efforts.

如果没有，我需要加倍努力。

So I think they're gonna redouble them.

所以我认为他会加倍努力。

She doubled her commitment to writing.

她加倍致力于写作。

The measures will enable us to double our output of bicycles.

这些措施能使我车产量加倍。

We'll just need to double up on the cotton.

我只需要把棉层加倍就好了。

I redoubled my efforts for this third exam.

对于第三次考试我加倍地努力。

We must, therefore, redouble our resolve to rescue them.

因此，我必须加倍努力去拯救它。

Now, a second wave of the coronavirus is doubling the economic pain.

现在，第二波疫情正在使经济恶化加倍。

We doubled down on our investment in renewable energy.

我加倍了对可再生能源投资。

He redoubled his efforts to ignore the pulsing of his scar.

他加倍努力忽略伤疤带来疼痛。

That's twice as many babies as we were expecting.

我准备好迎接一个宝宝，现在加倍了。

Morgana is right. Double your efforts.

莫嘉娜说得对。加倍努力追查。

I offered to work extra hard in our field.

我提出要在我这个田上加倍努力工作。