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catechu的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
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extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally
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East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
