【decay音标】 英[dɪˈkeɪ] 美[dɪˈkeɪ]
【单词释义】 decay是什么意思：
v.（使）腐烂，腐朽；衰败，衰退，衰落
n.腐烂；腐败、衰退的状态
[单词分级] 大学英语四级词汇
[第三人称单数] decays
[单词现在分词] decaying
[单词过去式] decayed
[单词过去分词] decayed
【decay形近词/近似词】
essay n.散文；随笔
okay v.赞成或同意；批准
anyway adv.无论如何；尽管
stay v. 停留；逗留；坚持 n.停留；逗留
play n.[U]玩耍；游戏 v. 玩；演奏；参加；播放；扮演；担任
【单词例句】
◇ "Your saliva is your natural protective mechanism," says Nigel Carter, chief executive of the Oral Health Foundation in the UK, inhibiting bacterial growth and tooth decay. "The saliva flow reduces overnight, so that's why it's very important that all the plaque is cleared away before you sleep."
英国口腔健康基金会首席执行官奈杰尔·卡特说：“你的唾液是你的天然保护机制，”可以抑制细菌生长和蛀牙。“唾液流动在夜间减少，这就是为什么在睡觉前清除所有牙菌斑非常重要。”