还原
huányuánTraditional 還原
to restore; to return to the original state
Every meaning
huányuán
- to restore; to return to the original state
- (chemistry) reduction
Its characters
Words with 还
Words with 原
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).