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化学需氧量

huàxuéxūyǎngliàng

Traditional: 化學需氧量

chemical oxygen demand (an environmental indicator)

Character Breakdown

化
huà
to change, to convert, to reform; -ize
HSK 3
学
xué
learning, knowledge, science; to study, to go to school; -ology
HSK 1
需
xū
to need, to require; must
HSK 3
氧
yǎng
oxygen
HSK 6
量
liàng
measure, volume; amount, quantity
HSK 4

Additional Information

Category
Chinese
HSK Character Level
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HSK Word Level
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