天火字典

英英字典： caffeine

caffeine

(Sound)

KK Pronunciation

〔 ˋkæfiIn,ˋkæfin 〕

Pronunciation

〔 ˊkæfiːn,ˊkæfiiːn 〕

Overview of noun caffeine

The noun caffeine has 1 sense

caffeine, caffein -- (a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects)

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