我之前用过这样的工作灯，它距离你很近时发出的光是很微弱的，但是在距离你一臂之长的距离时，它会发出很强的光，这样就会使得你的工作顺利进展。

I have used such lights before, which merely light what is just in front of you, but anything at arm's length is fairly well illuminated and progress can be made easily enough.

youdao

我之前用过这样的工作灯，它距离你很近时发出的光是很微弱的，但是在距离你一臂之长的距离时，它会发出很强的光，这样就会使得你的工作顺利进展。

I have used such lights before, which merely light what is just in front of you, but anything at arm's length is fairly well illuminated and progress can be made easily enough.

youdao