1. LASIK eye surgery changes the shape of your cornea—the transparent membrane that arcs over your pupil and the colored part of your eye (iris). LASIK 眼科手术改变了你的角膜的形状——角膜是覆盖在你的瞳孔和你的眼睛的有色部分（虹膜）上的弧形透明膜。
2. Encompassed in a luminous cloud, of which he was now merely the fiery heart, he swung through unthinkable arcs of oscillation, like a vast pendulum. 他现在只不过是一颗火热的心，被一团发光的云所包围，他像一个巨大的钟摆一样，在不可思议的摆动的弧线上摇摆。
3. Rainbow their arcs, spark, or settle. 把它们的弧变成彩虹，闪耀着，或者。
4. Muscle structure and reflex arcs. 肌肉构造和反射弧。
5. So-called arc node lists contain arcs and nodes. 所谓的弧节点列表包含弧和节点。
