热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

naphthalene

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

naphthalene漢語翻譯

【化】 萘
【醫(yī)】 萘

naphthalene詞型變化

形容詞:naphthalenic 

naphthalene英語解釋

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

來源:
naphth(a)
naphth(a)
al(cohol)
al(cohol)
-ene
-ene

【引伸】
naph.thalen.ic

0
糾錯