discard

discard, scrap, shed

这些动词都有“抛弃、丢弃”之意。
discard: 指把具体的东西抛掉不要，着重扔、丢的动作。
scrap: 指抛弃过时，不再有用的东西。
shed: 指毛发、皮肤、叶等经过某种自然的过程而脱落。

名词 discard:

1. anything that is cast aside or discarded
2. (cards) the act of throwing out a useless card or to failing to follow suit
3. getting rid something that is regarded as useless or undesirable
   同义词：throwing away

动词 discard:

1. throw or cast away
   同义词：fling, toss, toss out, toss away, chuck out, cast aside, dispose, throw out, cast out, throw away, cast away, put away

1. History discarded him.
   他被历史所抛弃。
2. You've got to discard before you can pick up another card.
   你得先打出一张牌，才能拿另一张牌。
3. He discarded his winter clothing.
   他把冬天穿的衣服都脱掉了。

dis.card

v.（动词）
dis.card.ed,dis.card.ing,dis.cards
v.tr.（及物动词）
To throw away; reject.
丢弃，抛弃
Games
【游戏】
To throw out (a playing card) from one`s hand.
出牌：从手中丢出（牌）
To play (a card other than a trump) from a suit different from that of the card led.
垫出另一花色牌张：出不同于先前牌的一张合适牌（除了王牌的其他一张牌）
v.intr.Games （不及物动词）【游戏】
To discard a playing card.
去牌，垫牌
n.（名词）

Games
【游戏】
The act of discarding in a card game.
出牌：在打牌的游戏中，去牌或出牌的行为
A discarded playing card.
丢出的牌；垫出的牌
One that is discarded or rejected.
被抛弃的东西（或人）

【引伸】
discard.able
adj.（形容词）
discard.er
n.（名词）