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凹朴皮
āopòpí
1. bark of tulip tree (TCM)
2. Cortex Liriodendri

Character Breakdown

凹
āo
concave, hollow; depressed; pass, valley
HSK 6 5 丶
朴
pǔ
plain, simple; sincere; surname
HSK 6 6 丶
皮
pí
skin, hide, fur, feathers
HSK 3 5 丶

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