caffeine 'kæfi:n
释义
n. 咖啡因, 咖啡碱
[化] 咖啡因; 咖啡碱
英文释义
n. a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
BNC词频排名: 22,623 | 当代语料库词频排名: 9,489