defensive bomber formation轰炸机: bombardment aircraft; bomber防御: defense队形: formation对轰炸机防御: antibomber defense对航天轰炸机防御: extraterrestrial bomber defense下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:轰炸机防御队形，即可在微信中查询翻译
