We might call them a workhorse – something which works extremely hard.

我们可以称它们是" 主力军" ——工作非常努力的事物。

This is a long-range version of the European planemaker's single-aisle short-haul workhorse.

这是欧洲飞机制造商的单通道短途主力机型的远程版本。

Including the ultimate workhorse of water treatment, carbon.

包括最终的主力水处理，碳。

Jan van Goyen was one of those workhorses.

扬.凡.戈因就是这些苦工中的一员。

I think distance runners are seen as more like, you know, workhorses.

我认为长跑运动员更像是踏实地干重活的人。

Tom is such a workhorse, and he wanted it so badly. -Yeah, he certainly did.

Tom是一个不折不扣的工作狂，他非常想得到这次机会。-是啊，他的确是。

It is the workhorse of the air, he said. It is the truck of the air.

它是空中的劳动力, 他说道。它是空中的大卡车。

That's the lesson from the tiny roundworm called C.elegans, long a workhorse in basic biology lab work.

这是从一种名为线虫的小蛔虫身上汲取的经验，这种小生物一直是基础生物学实验室的工作主力。

By the fall of 1979 Apple was breeding three ponies to be potential successors to the Apple II workhorse.

到 1979 年的秋天，Apple II 的潜在继任者已经有了三种机型。

Mature and old forests are the workhorses.

成熟和古老的森林是主力。