roentgen例句_释义
roentgen 朗读
roentgen
音标：ˈrɜːntjən
roentgen翻译
roentgen双语用法和例句
相关单词
rhumb ruination revictual reimportation retrousse ratfink revehent retinol retirement rockbird radc remittee radiotelegraphic ruffianism reconcilability recriminatory rheotrope rarp reinsman reddendum