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：

acetylene    音标拼音: [əs'ɛtəl,in]
n. 乙炔,电石气

乙炔,电石气

acetylene
n 1: a colorless flammable gas used chiefly in welding and in
organic synthesis [synonym: {acetylene}, {ethyne}, {alkyne}]

Acetylene \A*cet"y*lene\, n. (Chem.)
A gaseous compound of carbon and hydrogen, in the proportion
of two atoms of the former to two of the latter. It is a
colorless gas, with a peculiar, unpleasant odor, and is
produced for use as an illuminating gas in a number of ways,
but chiefly by the action of water on calcium carbide. Its
light is very brilliant. --Watts.
[1913 Webster] Ach

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:


  • City of Toronto
    The official website for the City of Toronto Toronto is Canada's largest city, the fourth largest in North America, and home to a diverse population of more than three million people
  • Welcome to Toronto – City of Toronto
    The City of Toronto acknowledges its presence on the traditional territory of many nations including the Mississaugas of the Credit, the Anishnabeg, the Chippewa, the Haudenosaunee and the Wendat peoples and is now home to many diverse First Nations, Inuit and Métis peoples The City also acknowledges that Toronto is covered by Treaty 13 signed with the Mississaugas of the Credit, and the
  • Online Registration Booking System – City of Toronto
    Find out how to create a new account and register for programs, book spaces or buy memberships online Learn how to use the online registration and booking system – the fastest way to register for recreation and cultural activities or book a facility Registration for recreation programs by phone or in person is also available
  • About Toronto – City of Toronto
    Toronto is Canada’s largest city and a world leader in business, finance, technology, entertainment and culture Its large population of immigrants from all over the globe has also made Toronto one of the most multicultural cities in the world Check out the Festivals Events Calendar to see how vibrant Toronto is
  • Pay Your Parking Violation – City of Toronto
    Parking violations can be paid online, by mail or in-person Be alert for scams: The City of Toronto does not send text messages about parking violations tickets or issue reminders through a third party If you receive a text message, do not click on any of the links and delete the message
  • Things to Do – City of Toronto
    Toronto’s neighbourhoods offer a variety of experiences to suit any lifestyle Explore these neighbourhood guides for a taste of what it’s like to live like a Toronto local Toronto is Canada’s largest centre for music and home to hundreds of live music venues and record stores, dozens of music festivals and thousands of
  • City of Toronto launches Ontario-wide Legacy Campaign in . . .
    News Release February 25, 2026 Toronto’s Soccer for All Legacy Program campaign is giving Ontario residents aged 18 and older the opportunity to receive an invitation for two to a FIFA World Cup 2026™ match in Toronto while funding lasting community projects across the city A total of 26 pairs of invitations are available, including two for Canada’s opening match on Friday, June 12, as
  • Toronto at a Glance – City of Toronto
    Toronto region is defined as Toronto Census Metropolitan Area (CMA) unless denoted with an asterisk (*), which indicates Greater Toronto Area (GTA) or other regional geography Number of businesses in the city of Toronto and Toronto CMA comprise of businesses with and without physical locations; see Statistics Canada’s Business Register for more information on the number of registered
  • Old City Hall Events – City of Toronto
    Old City Hall is occasionally open to the public for pop-up events, exhibits and civil weddings Uncover Toronto’s unique stories, surrounded by sandstone and stained glass with an audio tour of this National Historic Site Old City Hall is located at 60 Queen St W
  • Tickets, Fines Penalties – City of Toronto
    For automated speed enforcement or red light camera tickets with a violation date on or before January 19, 2025, use court case lookup to pay or dispute your ticket As of January 20, 2025 and onward, the City has launched a new administrative penalty lookup





中文字典-英文字典  2005-2009