999英语网 英语单词
Caffeine的音标发音
Caffeine
英式发音：['kfin] or ['kfin]
美式发音
(noun.) a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.
邦妮整理
(noun.) a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.
邦妮整理