The tool should be extremely lightweight: fast to download, fast to learn and fast to operate.

该工具应该非常轻量级：下载、学习、运转都应非常迅速。

youdao

The extremely lightweight software is made to run on sensor chips tiny enough to be built into almost anything.

这个软件是十分的轻量级，可以在微小的传感器芯片上运行，因而几乎可以内置到所有的物体。

youdao

The end result is an extremely lightweight adapter class that implements the functionality required by the RoundThing interface.

最终的结果是一个高度轻量级的适配器类，它实现了 RoundThing 接口所需的功能。

youdao

"It's cheap,it's extremely robust, it won't break down, it's very lightweight."

VOA: standard.2010.08.09

Even though it was a mummy cut, I found that the Horsethief was surprisingly roomy, in addition to being extremely lightweight at a mere 22 ounces.

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It was extremely small and lightweight.

BBC: 'Work hard' says Paralympian

Alongside the new Nikon 1 J2, the versatile 1 NIKKOR 11-27.5mm lens will inspire shooters to take their creative expression on-the-go with an extremely versatile yet compact and lightweight lens.

ENGADGET: Nikon 1 J2 mirrorless camera: minor control tweaks, $549, ships in September