免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

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