Draws an arc in the current document. To draw an arc, drag an ellipse to the size you want, and then click to define the starting point of the arc. Move your pointer to where you want to place the endpoint and click. You do not need to click on the ellipse. To draw an arc that is based on a circle, hold down Shift while you drag.
在当前文档中绘制椭圆弧。要绘制椭圆弧，请先将椭圆拖动到所需大小，然后单击以设定椭圆弧的起点。将鼠标指针移到要设定终点的位置，然后单击。不需要在椭圆上单击。要绘制圆线，请在拖动时按住 Shift 键。