英语词汇“It is a substance called caffeine”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	It is a substance called caffeine
释义	It is a substance called caffeine. 这种物质就是咖啡因。
随便看	exchange of products in accordance with labo exchange of publications exchange of ratification exchange of ratifications exchange of reinsurance exchange of related information rules exchange of resource exchange of securities exchange of seeds exchange of shares exchange of skill exchange of skills exchange of sodium exchange of solutes of cerebrospinal fluid Exchange of spot for futures exchangeof spot or cash commodity for futures exchange of stock exchange of stocks exchange of students exchange of substance exchange of substance and energy exchange of summit-level visits exchange of talent exchange of talented people exchange of teachers