| 单词 | caffein |
| 释义 | caffein (once / 31351 pages) n WORD FAMILY caffein USAGE EXAMPLESIn the year 1821, several chemists isolated from coffee a bitter principle, of peculiar properties, which was named caffein. Widtsoe, John Andreas, Joseph Smith as Scientist—A Contrib...(2012) As heart stimulants, one may use strychnine, spartein, caffein, or camphor. Warfield, Louis Marshall, Arteriosclerosis and Hypertension:...(2011) Hollingworth compiled his studies in a 1912 book that used a contemporary spelling for the substance: “The Influence of Caffein on Mental and Motor Efficiency.” New York Times(Mar 28, 2011) n a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects Syn|Hyper caffeine alkaloid natural bases containing nitrogen found in plants |
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