化学需氧量

huà xué xū yǎng liàng

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Definitions

1. chemical oxygen demand (an environmental indicator)

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Child Words of 化学需氧量

• 化 化 huà: to make into
• 化学 化学 huà xué: chemistry
• 学 学 xué: to learn
• 氧 氧 yǎng: oxygen (chemistry)
• 量 量 liáng: to measure
• 量 量 liàng: capacity
• 需 需 xū: to require