| 重 |
zhòng yóu | (petrochemistry) heavy oil / fuel oil |
| 重 |
chóng | to repeat / repetition / again / re- / classifier: layer |
| 重 |
zhòng | heavy / serious / to attach importance to |
| 油 |
yóu | oil / fat / grease / petroleum / to apply tung oil, paint or varnish / oily / greasy / glib / cunning |