更新时间:2024-05-13 21:58:39
Noun:- electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
roentgen ray是什么意思 roentgen ray在线翻译 roentgen ray什么意思 roentgen ray的意思 roentgen ray的翻译 roentgen ray的解释 roentgen ray的发音 roentgen ray的同义词