roentgen
英
['rɜːntjən]
美
['rentjən]
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n.
伦琴;X射线
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adj.
X射线的
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Roentgen.
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n.
伦琴(姓氏;德国物理学家)
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=röntgen.
Noun:
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a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
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German physicist who discovered x-rays and developed roentgenography (1845-1923)
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用作名词 (n.)
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William Roentgen discovered X-rays.
威廉
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌