合成石油 hé chéng shí yóu

DEFINITIONS

  1. synthetic oil

CHARACTERS

合 hé
HSK 4
combine, unite, join; gather
成 chéng
HSK 3
completed, finished, fixed
石 shí
HSK 5
stone, rock, mineral; rad. 112
油 yóu
HSK 4
oil, fat, grease, lard; paints