n. soft fine feathers n. (American football) a complete play to advance the football n. English physician who first described Down's syndrome (1828-1896) n. (usually plural) a rolling treeless highland with little soil
中文释义
a. 向下的 adv. 下, 下去, 降下 prep. 往下, 沿着 n. 丘陵, 软毛, 开阔的高地 [计] 向下, 退下命令
