gypsum
US /ˈdʒɪp.səm/
UK /ˈdʒɪp.səm/
1.
石膏
a soft white or gray mineral consisting of hydrated calcium sulfate. It occurs as alabaster or selenite and is used to make plaster of Paris and fertilizers.
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The walls were plastered with gypsum.
牆壁上塗了石膏。
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Farmers use gypsum to improve soil quality.
農民使用石膏來改善土壤質量。