caffein
英[\'kæfi:n]
美[\'kæfin]
基本释义
- n.
- 咖啡因，茶精（一种兴奋剂）
实用例句
They appear appeal mainly to young people and are fueled mainly by caffein caffeine.
他们主要受到年轻人的喜爱,而且原料主要是咖啡因.
互联网
英英释义
Noun
1. a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects