“倒计时”用英语怎么说？

开始倒计时之前还有3件事要做。There were three more things to do before countdown.诺丁山狂欢节已经进入了最后几个小时的倒计时。The countdown to the Notting Hill Carnival is in its final hours.全世界都在倒计时迎接新千年的到来.The whole world was counting down to the new mill...