音标：[dis'kɑ:d]
vt. 丢弃, 抛弃
vi. 垫牌
n. 垫牌, 抛弃
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discard的短语、例句：

discard v[Tn] (a) throw (sth) out or away 扔掉, 丢弃（某物）
old, discarded clothes 扔掉的旧衣服. (b) stop using, wearing, etc (sth that is no longer useful) 不再使用, 不再穿戴（已没用的物品）
discard one´s winter clothes in spring 春天里换下冬装
(fig 比喻) discard outdated beliefs 抛弃过时的信仰. (c) give up (unwanted playing-cards) 打出（无用的牌）; 出（牌）
She discarded a four, and picked up a king. 她打出一张四点的牌, 抓起一张K. discard n card or cards discarded in a card-game; discarded thing （在牌戏中）打出的牌; 废弃的东西.