生耗氧量 shēng hào yǎng liàng

DEFINITIONS

  1. biological oxygen demand (BOD)

CHARACTERS

生 shēng
HSK 1
life, living, lifetime; birth
耗 hào
HSK 6
consume, use up; waste, squander
氧 yǎng
HSK 6
oxygen
量 liàng
HSK 4
measure, quantity, capacity