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单词 cascara buckthorn
释义
cas·car·a buckthorn (kă-skărə)
n.
A buckthorn (Rhamnus purshiana syn. Frangula purshiana) native to western North America, the bark of which is the source of cascara sagrada.

[Spanish cáscara, bark, from cascar, to break off, from Vulgar Latin *quassicāre, from Latin quassāre, frequentative of quatere, to shake; see kwēt- in the Appendix of Indo-European roots.]
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更新时间:2025/3/22 10:15:26