A resinous, astringent extract obtained from the leaves of a woody vine(Uncaria gambir)of Malaysia and Indonesia, used medicinally and in tanning and dyeing.是什么意思_A resinous, astringent extract obtained from the leaves of a woody vine(Uncaria gambir)of Malaysia and Indonesia, used medicinally and in tanning and dyeing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句