化学需氧量
Traditional form:
化學需氧量
Pinyin (reading):
huàxuéxūyǎngliàng
Definitions:
- chemical oxygen demand (an environmental indicator)
Characters:
- 化 - to change, to convert, to reform; -ize
- 学 - learning, knowledge, science; to study, to go to school; -ology
- 需 - to need, to require; must
- 氧 - oxygen
- 量 - measure, volume; amount, quantity
Traditional characters: