英文字典中文字典Word104.com
|
theine n. 咖啡堿,茶素 咖啡鹼,茶素 Theine \The"ine\, n. [F. th['e]ine, fr. NL. thea. See
{Theiform}.] (Chem.) See {Caffeine}. Called also {theina}. [1913 Webster] caffein \caf*fe"in\, Caffeine \Caf*fe"ine\, n. [Cf. F. caf['e]ine. See {Coffee}.] (Chem.) A white, bitter, crystallizable substance, found in coffee and tea. It is identical with the alkaloid {theine} from tea leaves, and with {guaranine} from guarana. It is responsible for most of the stimulating effect of coffee or tea. [1913 Webster WordNet 1.5]
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