基本解釋n.[化]釷(符號Th;原子序90)同根派生 thorium相關(guān)詞英漢例句Marie found another called thorium. 瑪麗發(fā)現(xiàn)了另一種物質(zhì),叫釷。A radioactive isotope of thorium with mass number228. 射釷釷的放射性同位,質(zhì)量數(shù)為This is clearly confirmed by the detection of thorium. 這顯然證實(shí)了檢測釷.They recognized that in a thorium province Pb208 would present complications. 他們承認(rèn),含釷區(qū)內(nèi)的Pb208會產(chǎn)生干擾。Followed by the slow decomposition of uranium to another element thorium. 鈾元素隨后緩慢分解為另一種元素釷。thorium更多例句