petrolatum
柯林斯词典
1. N a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing 矿脂 (Also called mineral jelly, petroleum jelly)
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1. N a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing 矿脂 (Also called mineral jelly, petroleum jelly)