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单词petrolatum
例句 DEFINITIVE EXAMPLES 权威例句〔Cosmoline〕A trademark used for a rust and corrosion preventive compound of petrolatum.卡斯莫兰:用于抗氧化剂和抗腐蚀剂的一系列矿脂的商标名美国传统〔cordite〕A smokeless explosive powder consisting of nitrocellulose, nitroglycerin, and petrolatum that has been dissolved in acetone, dried, and extruded in cords.无烟线状火药:一种无烟炸药,由硝化纤维素、硝化甘油和凡士林组成,在丙酮中溶解,风干并压成绳状美国传统
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