discardKK [dɪˋskɑrd] /dɪˈskɑɹd/發音dis- 分開+card 紙牌→把紙牌丟開展開收合dis-字首分開card單字紙牌字面：把紙牌丟開打牌時把不要的牌丟出去，引申為丟棄、拋棄任何東西。動詞1丟棄、拋棄、扔掉Please don't discard old batteries with your regular trash.請不要把舊電池和一般垃圾一起丟棄。2摒棄、放棄Scientists discarded the theory after new evidence emerged.新證據出現後，科學家便摒棄了這個理論。3墊牌、丟牌紙牌遊戲He discarded a low card and drew from the deck.他墊掉一張小牌，然後從牌堆抽一張。名詞1廢棄物、棄物The workshop floor was covered with discards from the factory.工作間的地上滿是工廠丟出來的廢棄物。2墊出的牌紙牌遊戲She picked up my discard and completed her set.她撿走我墊出的牌，湊成了一組。