环境因素 huán jìng yīn sù

DEFINITIONS

  1. environmental factor

CHARACTERS

环 huán
HSK 3
jade ring or bracelet; ring
境 jìng
HSK 3
boundary, frontier; area, region
因 yīn
HSK 2
cause, reason; by; because (of)
素 sù
HSK 5
white (silk); plain; vegetarian; formerly; normally