| English | Chinese |
| tar production The manufacture of dark, heavy, viscous substances or residue, which is obtained by the distillation of organic materials such as coal, wood and petroleum | 焦油生产 (深色的、重、粘性物质或残渣的制造，从有机材料如煤炭，木材和石油的蒸馏中获得。) |
| tar sand A sandstone in which hydrocarbons have been trapped; the lighter compounds evaporate, leaving a residue of asphalt in the rock pores | 沥青砂 (一种砂岩，其中的碳氢化合物已被分离，蒸发较轻的化合物，留在岩石孔隙的沥青残渣。) |
| tar use Any employment or utilization of dark, heavy, viscous substances or residue derived from the distillation of certain organic materials, often to produce benzene, soap, dyes, cosmetics and other products | 焦油使用 (深色的、重、粘性物质或来自某些有机材料蒸馏的残留物的职业或利用，常用于生产苯、肥皂、染料、化妆品等产品。) |
