orthohelium
/ˌɔ:θə'heliəm/
n. 
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irascibly, iraser, irate, iraurite, IRB, IRBM, IRC, IRCCM, IRCM, irdome,
相似单词
orthographic, orthographical, orthographist, orthographize, orthography, orthohelium, orthohexagonal, orthohydrogen, orthokeratology, orthokinesis,