英文字典中文字典Word104.com
|
pyrrole 吡咯 □咯 pyrrol \pyr"rol\, pyrrole \pyr"role\, n. [Gr. ? flame-colored
(from ? fire) L. oleum oil.] (Chem.) A nitrogenous heterocyclic base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless liquid, {C4H5N}, having on odor like that of chloroform. It is the nucleus and origin of a large number of derivatives. So called because it colors a splinter of wood moistened with hydrochloric acid a deep red. [1913 Webster]
請選擇你想看的字典辭典:
|
安裝中文字典英文字典查詢工具!
英文字典中文字典相關資料:
|
中文字典-英文字典 2005-2009
|中文姓名英譯,姓名翻譯 |简体中文英文字典