音标发音英式音标 [ˈkaʊnt.daʊn]美式音标 [ˈkaʊnt.daʊn]英式发音 美式发音 基本解释n.倒数计秒同根派生 countdown相关词英汉例句用作名词 (n.)His heartbeat escalates, like the countdown for death.他心跳加快,就象死亡在倒数。I will never employ any device with a digital countdown.我将不会使用任何倒数计时用具。countdown更多例句英英字典剑桥英英字典 the act of counting backwards to zerocountdown剑桥字典countdown柯林斯字典