strongly polar hydrocarbon

例句：

1. 1. Thestrong polar hydrocarbons are used inthe production of lubricants andfuels.
   强极性烃类用于生产润滑油和燃料。
2. 2. The polar hydrocarbonshave a high boiling point and low volatility.
   极性烃类具有高沸点和低挥发性。
3. 3. The polar hydrocarbons are important sources of energy forindustrial processes.
   极性烃类是工业过程中的重要能源来源。