基本解釋n.擊穿;飛??;嚴(yán)重打火動詞arc的現(xiàn)在分詞.同根派生 arcing相關(guān)詞英漢例句The sun appears to move in an arc across the sky.太陽看起來在天空以弧線運行。An early instrument for measuring altitude of celestial bodies, consisting of a90= graduated arc with a movable radius for measuring angles.象限儀用來測量天躰緯度的一種早期工具,由一個有90度刻度的圓弧和一個用來測量角度的可移動的半逕搆成arcing更多例句