countdown ['kaʊnt.daʊn] noun countable ■the act of counting backwards to zero 倒数•The countdown to the rocket launch will begin at 9.00 am.火箭发射将于上午9点进入倒数。 only singular ■a short period of time leading to an important event 倒数阶段•The countdown to the election has already begun.选举已开始进入倒数阶段。 |