常見例句用作名詞 (n.)The sun appears to move in an arc across the sky.太陽看起來在天空中以弧形運行。When the moon is new it looks like an arc of light in the sky.新月看起來像天空中的一盞弧形燈。用作名詞 (n.)The first figure is an arc followed by a line.第一個圖形是一段弧,後跟一條直線。The beach swept around in an arc.海灘呈弧形伸展開來。His arm described an arc in the air.他的手臂在空中劃出一道弧形。The rainbow formed a beautiful arc in the sky.虹在天上成美麗的弧形。 返回 arcking