double的中文意思、音标与词形变化

n. 两倍 a. 两倍的, 双重的 vt. 使加倍 vi. 加倍, 代替, 快步走 [计] 双精度型

n. a base hit on which the batter stops safely at second base n. a stand-in for movie stars to perform dangerous stunts n. someone who closely resembles a famous person (especially an actor) n. a quantity that is twice as great as another