The word is 'caffeine', pronounced ['kæfiːn]. It is a noun meaning caffeine or theine, which is a stimulant. Its word order is 9728.
这个单词是 'caffeine'，发音为 ['kæfiːn]。它是一个名词，意思是咖啡因或茶精，是一种兴奋剂。该单词的词序是9728。
| 单词 | caffeine |
|---|---|
| 发音 | ['kæfiːn] |
| 释义 | n. 咖啡因；茶精（兴奋剂） |
| 词序 | 9728 |
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