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古柯
gǔkē
1. (botany) coca (source of cocaine)

Character Breakdown

古
gǔ
old, classic, ancient
HSK 5 5 丶
柯
kē
axe-handle, bough, stalk; surname
9 丶

Compound Words (2)

古柯树
gǔkēshù
coca plant (source of cocaine)
古柯碱
gǔkējiǎn
cocaine (loanword)

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