Worse yet, it's a huge drain on water resources, gulping down up to 2,138 liters of water per liter of ethanol.

更糟糕的是，这项产业需要大量的水。要生产一公升乙醇需要消耗2138公升水。

youdao

Only later will you find that you probably would have saved yourself a lot of time and energy by writing something down up front.

随后您可能会发现，只有通过写下一些什么东西，您才能够节省大量的时间和精力。

youdao

Interest rates began to gyrate up toward 20 percent in 1980 and then down and up again.

1980年，利率开始朝着20%波动上升然后下降，又再次上升。

《柯林斯英汉双解大词典》

"It's sort of like a world on its own. There's no other sport where you're really going up and down.

VOA: special.2009.12.09

The sad friends of Truth in this fable have gone up and down, gathering up Truth limb by limb still as they could find them.

在这个寓言中真理悲伤的朋友到处游走，收集真理的碎片仿佛他们真的能找到这些碎片。

耶鲁公开课 - 弥尔顿课程节选

Well, we say at the top of the loop, when it goes up and comes down the velocity is 0.

在曲线顶端,当物体上升,然后速度为0时候

耶鲁公开课 - 基础物理课程节选

It was all under 1, 000 and it would back and flow, up and down, up and down.

FORBES: Are Conditions Right for a Rally?

They can gulp down up to 10% more diesel than a normal truck.

FORBES: Clearing the Air

"For me, always like up, down, up, down, " she said.

WSJ: Where's the Real Women's No. 1?