热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

count-down

count-down是什么意思、count-down怎么讀

count-down漢語翻譯

【計】 遞減速計數(shù)

count-down英語解釋

名詞 count-down:

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

動詞 count-down:

  1. count backwards; before detonating a bomb, for example
    同義詞:count down
0
糾錯