higher aromatic hydrocarbon

例句：

1. 1. The higher aromatic hydrocarbons are used in the production of plastics and other synthetic materials.
   更高芳香烃用于生产塑料和其他合成材料。
2. 2. The higher aromatic hydrocarbons have a stronger odor than lower ones.
   更高芳香烃的香气比低级别的更强。
3. 3. The higher aromatic hydrocarbons are more likely to cause health problems if they are inhaled.
   如果吸入更高芳香烃，更有可能引发健康问题。