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Crookes AHD[kr‹ks] Sir William (1832-1919) D.J.[krʊks]K.K.[krʊks]NONE(无词性)- British chemist and physicist who discovered thallium (1861), invented the radiometer (1875), and studied cathode rays.克鲁克斯,威廉:(1832-1919) 英国化学家和物理学家,他发现了铊元素(1861年),发明了微辐射探测仪(1875年)并对阴极射线进行了研究
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