adj.涂了焦油的
动词tar的过去式和过去分词.
Peter had his head in a tar barrel sure enough. 不出所料，彼得陷入了困境。
Any of several highly volatile, flammable liquid mixtures of hydrocarbons distilled from petroleum, coal tar, and natural gas and used as fuel, as solvents, and in making various chemicals. 石脑油一种高度挥发性的易燃液态碳氢化合物混合物，从石油、煤焦油和天然气中提炼出来，并用作石油、溶剂和制造各种化合物中
