英语词汇“prior permission required”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	prior permission required
释义	prior permission required prior permission required (PPR) An expression used to indicate that permission from the appropriate authority must be obtained before certain aeronautical activities can be carried out. AcronymsSeePPR
随便看	break request signal break rolls breakroom breaks breaks a buck breaks a sweat breaks a syndicate breaks away breaks back breaks bread breaks camp breaks cover breaks down breaks duck break seal break serve break service breaks even breaks faith breaks free breaks fresh ground breaks ground breaks heart breaks higher in overcast break ship

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

prior permission required