n.曲线；弯曲；弯曲物；弧线
His plane swooped a beautiful curve up and down. 他的飞机在上下翻飞时画出了一条美丽的曲线。
The stairs ascended in a graceful curve. 楼梯以优美的曲线上升。
His spine developed a slight curve. 他的脊柱有点弯曲。
The driver lost control on a curve and the vehicle hit a tree. 司机在拐弯处失控，撞在了一棵树上。
The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
adj.弯曲的
n.[棒]曲线球
adj.内弯的；后弯的
