亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

naphthalene

音標(biāo)['næfθəli:n]
naphthalene是什么意思、naphthalene怎么讀

naphthalene漢語(yǔ)翻譯

【化】 萘
【醫(yī)】 萘

naphthalene詞型變化

形容詞:naphthalenic 

naphthalene英語(yǔ)解釋

名詞 naphthalene:

  1. a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs

naphthalene詳細(xì)解釋

naphthalene 也作 naph.tha.line

n.(名詞)
A white crystalline compound, C0H 8, derived from coal tar or petroleum and used in manufacturing dyes, moth repellents, and explosives and as a solvent. Also called tar camphor
萘:一種白色結(jié)晶化合物,C0H 8,從煤焦油或石油提取,并用在染料、蛀蟲驅(qū)蟲劑和炸藥的制造中,還用作溶劑 也作 tar camphor

來(lái)源:
naphth(a)
naphth(a)
al(cohol)
al(cohol)
-ene
-ene

【引伸】
naph.thalen.ic

0
糾錯(cuò)