theine / ˈθi in, -ɪn /
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theine 的定义
n. 名词 noun- caffeine, especially in tea.
更多theine例句
- It is remarkable also that tea has been found to contain an element called theine, which has the same quantity of nitrogen.
- Chemical investigation indicates that caffeine and theine are the same and theobromine is a closely related substance.
- Theine is no doubt a deadly poison, but we manage to drink it with tolerable safety in our tea and coffee.
- The quantity of theine consumed in a cup of tea is about 4/5 of a grain, or ¼ of a medicinal dose.
- The caffein or theine in tea is an alkaloid that has characteristic physiological properties.