?退却活动
... retrograde motion 逆行; 反向运动 retrograde operations 退却活动 retrograde orbit 逆行轨道 ...
退却活动
It's a dictum that "retrograde under contact" (withdrawal under pressure) is among the most difficult of military operations.
CNN: U.S. withdrawal is 'tough love' for disbelieving Afghans
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。