vi.形成拱状物（arc的过去式与过去分词形式）...

A rainbow arced gracefully over the town.彩虹在小城上空画出了一道优美的弧线。Tracer rounds arced through the air and stitched over the Banshees.追踪子弹弧线形穿过空间钉在女妖战机上.Squirrels added staccato crunch notes with their arced leaps.松鼠蹦蹦跳跳增加了嘎吱嘎吱的...

arced的音标：arced的英式发音音标为：[ɑ:kt]arced的美式发音音标为：[ɑrkt]...