英语词汇penetration aids怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	penetration aids
释义	penetration aids 简明释义突防用具专业释义 1 军事学突防用具
随便看	bell and spigot bounding bell-and-spigot joint bell and spigot joint bell and spigot reducer bell-and-whistle buoy bellanger bell animal bell annunciator Bellano Bellante bellany bell apple bellaradine bell arch Bellard Bellard's formula Bellarena Bellaria bellario bellarmine Bellarmine College bellarmine Bellarmino Bellary Bellas

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。