英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
tailleur查看 tailleur 在百度字典中的解释百度英翻中〔查看〕
tailleur查看 tailleur 在Google字典中的解释Google英翻中〔查看〕
tailleur查看 tailleur 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Helium - Wikipedia
    Helium (from Greek: ἥλιος, romanized: helios, lit 'sun') is a chemical element; it has symbol He and atomic number 2 It is a colorless, odorless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table
  • Helium Browser
    Helium blocks ads, trackers, phishing websites, and other nonsense by default, thanks to community filters and uBlock Origin Helium blocks all third-party cookies and does its best to prevent fingerprinting No extra steps are needed, and there are no biased exceptions — unlike other browsers
  • Helium | Definition, Properties, Uses, Facts | Britannica
    Helium, chemical element, inert gas of Group 18 (noble gases) of the periodic table The second lightest element, helium is a colorless, odorless, and tasteless gas that becomes liquid at -268 9 degrees Celsius
  • Helium Definition, Facts, Symbol, Discovery, Property, Uses
    Helium (pronunciation: HEE-lee-em) is a colorless, odorless element classified as a non-metal, belonging to the group of inert gases in the periodic table and is represented by the chemical symbol He [1, 2, 3]
  • Helium - Element information, properties and uses | Periodic Table
    Element Helium (He), Group 18, Atomic Number 2, s-block, Mass 4 003 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Helium: Occurrence, Properties and Uses - allen. in
    Helium, with the chemical symbol He and atomic number 2, is the lightest noble gas and element in Group 18 of the periodic table In terms of chemical abundance, it is second only to hydrogen in the cosmos At -268°C, helium is a tasteless, colourless, and odourless gas or liquid
  • Helium(He) - Definition, Preparation, Properties, Uses, Compounds . . .
    What is Helium? Helium – A noble gas with the chemical symbol He and atomic number 2, Helium is renowned for its inertness and lighter-than-air properties It’s the second most abundant element in the universe, primarily formed through nuclear fusion in stars
  • Helium | He (Element) - PubChem
    Helium is an inert gas and does not easily combine with other elements There are no known compounds that contain helium, although attempts are being made to produce helium diflouride (HeF 2)
  • Helium - Energy Education
    Helium is found naturally on Earth due to the radioactive decay of elements trapped underground (often in natural gas mines in the United States) Some elements go through alpha decay in which they emit an alpha particle, which is merely a helium nucleus
  • Helium Element- Properties, Uses, Toxicity, Safety - Science Info
    Helium element, with the symbol He and atomic number 2, is the second most abundant chemical element in the universe It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas at the top of the periodic table of noble gases It has the lowest boiling and melting points of any element





中文字典-英文字典  2005-2009