A dark, oily, viscous material, consisting mainly of hydrocarbons, produced by the destructive distillation of organic substances such as wood, coal, or peat.

• 焦油：一种黑色的油状黏稠物质，主要含碳氢化合物，通过对有机物质（如木材、煤炭或泥炭）进行干馏而制得