beam gun光束: light beam a surname枪: spear扩散光束枪: beam spray gun电子束枪: electron beam gun光束: light beam; light pencil; luminous flux; pencil; stricture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:光束枪，即可在微信中查询翻译
