protactinium
/ˌprəʊtæk'tɪniəm/ /ˌproʊtæk'tɪniəm/
n. 镤
义词
;
;用户正在搜索
clicking, Clickman, clickocracy, clicks, clickwork, clicky, clidagra, clidanac, clide, clidomancy,
相似单词
prosuspensor, prosy, prosyllogism, prosymasul, protactinides, protactinium, protaesthesis, protagon, protagonist, Protagoras,