英语词汇“nebulium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	nebulium
释义	nebulium /neuh byooh"lee euhm/, n. Astron. a hypothetical element once thought to be present in emission nebulae because of certain unidentified spectral lines, now known to be forbidden transitions of oxygen and nitrogen ions. [1895-1900; NEBUL(A) + -IUM]
随便看	tree of sadness. tree peony Tree Planters State tree poppy tree post. tree ring. tree shrew tree snail tree sparrow tree squirrel tree surgery tree swallow tree swift tree toad. tree tobacco tree tomato treetop tree yucca. tref treflé trefoil trefoil arch trefoil knot trehala trehalose

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