discus

详细解释:n. 铁饼, 掷铁饼比赛
【医】 盘, 板, [圆]片

词型变化：

名词复数:discuses

英语解释：

名词 discus:

an athletic competition in which a disk-shaped object is thrown as far as possiblea disk used in throwing competitions同义词：saucer