相关单词近义词 arch 拱, curve 曲线, bow 弓, semicircle 半圆, sweep 打扫, bend 弯曲, curvature 弯曲, swoop 抓取, swing 摇摆, swish 摆动或挥动某物出声..., electric arc 电弧, spark 闪烁, electric discharge 放电, discharge 排出临近词arcade, arbour, Arcy, arca, arco, Arce, Arcos, Arcot, Arceu, Arceo, Arcay, Arcte 返回 arcking