cosmic-ray track宇宙线: cosmic ray; ultrarays径迹: track; creep path宇宙射线径迹: cosmicray track光线径迹: ray trajectory初级宇宙线: primary cosmic rays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:宇宙线径迹,即可在微信中查询翻译