He could send enough electricity to light up not just one arc light, but eight.

他发出电能足以点亮一盏灯， 而是八盏。

This helmet has auto-darkening lenses that adjust to protect the eyes from strong arc light.

这款头盔具有自动变镜片，可调节以保护眼睛免受强害。

Turns and runs, out of the circle of the arc light and into the dark.

转身奔跑, 走出圈, 进入黑。

An arc light makes light when an electric current jumps across the space between two carbon rods.

当电流跃过两个碳棒之间空间， 灯就会发。

Tom was eager to see how the man in Connecticut was using electricity to light up his eight arc lights.

汤姆很想看看康涅狄格州那个人是如何用电来点亮他八盏灯。

After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.

他们打开强力灯，看见一株株巨大石笋，有高达40英尺，象树干似向上长着，与洞顶悬挂下来钟乳石相接。