| 释义 |
rontgenadj,nˈrɑntgənadj.① X光射線的；(=roentgen)n.① 侖琴（X光射線之單位）；(=roentgen)英英释义n.German physicist who discovered x-rays and developed roentgenography (1845-1923)同反义词同义词：roentgenwilhelm konrad roentgenwilhelm konrad rontgenront·gen/`rɛntgən; ˈrɔntjən, -tɡən/名词形 |