count-down

英 ['kaʊntd'aʊn] 美 ['kaʊntd'aʊn]

• 递减计数

英英释义

名词 countdown:

1. counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle)

动词 count down:

1. count backwards; before detonating a bomb, for example

词汇搭配

• binary count down 二进制向下计数...
• count down (发射火箭等时)倒读...