petroleum jelly

petroleum-jelly的词性：
n.（名词）

1. A colorless-to-amber semisolid mixture of hydrocarbons obtained from petroleum and used in lubricants and medicinal ointments.Also called petrolatum
矿脂，凡士林：一种由无色到琥珀色的半固态碳水化合物混合体，从汽油中提炼而得，用作润滑剂和药物油膏也作 petrolatum