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膨润土
膨潤土
péngrùntǔ
1. bentonite (mineralogy)

Character Breakdown

膨
péng
bloated, inflated, swollen; to swell
HSK 6 16 丶
润
rùn
fresh, moist; soft, sleek
HSK 5 10 丶
土
tǔ
soil, earth; items made of earth
HSK 5 3 丶

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