roentgen
导读:roentgen读音音标
英 [ˈrɜ:ntjən]美 [ˈrentjən]
roentgen意思解释
n.伦琴; 英英释义 roentgen[ \'rɔntɡən, -tjən, \'rent- ]n.a unit of radiation exposure; the
英 [ˈrɜ:ntjən]美 [ˈrentjən]
roentgen意思解释
n.伦琴; 英英释义 roentgen[ \'rɔntɡən, -tjən, \'rent- ]n.a unit of radiation exposure; the

roentgen读音音标
英 [ˈrɜ:ntjən]
美 [ˈrentjən]
roentgen意思解释
n.
伦琴;
英英释义
roentgen[ \'rɔntɡən, -tjən, \'rent- ]
n.
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
同义词:R
German physicist who discovered x-rays and developed roentgenography (1845-1923)
同义词:Wilhelm Konrad RoentgenRontgenWilhelm Konrad Rontgen
双语例句
用作名词(n.)William Roentgen discovered X-rays.威廉
