弧光的英文怎么说

弧光的英文：
Arc

piercing by electric arc
电弧穿孔

The beach swept around in an arc.
海滩呈弧形伸展开来。

The secant of the complement of a directed angle or arc.
余割有向角的余角或弧的余割

An electric arc is struck by contacting the electrodes.
接触电极便击出电弧。

A rainbow arced gracefully over the town.
彩虹在小城上空画出了一道优美的弧线。