英语词汇“up or down”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	up or down
释义	up or down [网络] 向上或向下；电梯的上下按钮；状态
随便看	approach speed approach speed on testing approach steam velocity approach stream velocity approach surface approach surface base line approach surveillance radar approach surveillance radar (asr) approach system approacht approach table approach technique approach time approach to approach to criticality approach to criticality phase approach to equilibrium phase approach to ferry approach to learning approach-to-level-crossing marking approach to library filing by computer Approach to Mideast peace approach-to-obstacle marking approach to power approach to saturation 藏污纳垢藏诸名山藏诸名山，传之其人藏踪蹑迹藏锋敛锐藏锋敛锷藏锋敛颖藏龙卧虎藐藑版图版块版型版子版式版心版本版权版次版版六十四