(imp.) of Tear
(-) imp. of Tear.
(n.) The dead grass that remains on mowing land in winter and spring.
(n.) Same as Torus.
(n.) The surface described by the circumference of a circle revolving about a straight line in its own plane.
(n.) The solid inclosed by such a surface; -- sometimes called an anchor ring.
录入:劳伦斯
手打:谢莉