quiet arc

例句：

1. 1. The sun sets overthe quiet arc of the ocean.
   太阳在平静的海弧上落下。
2. 2. Theartist painted a peaceful scene with a quietarc in the sky.
   艺术家用一个平静的弧线描绘了一幅宁静的场景。
3. 3. The dancers executed a gracefulmovement with a quiet arc around thestage.
   舞者们以优雅的动作在一个平静的弧线中绕着舞台旋转。