单语范例（未经PONS编辑处理）
英语
- Microscopes may also prove useful for the water quality assessment for people that keep a home aquarium.en.wikipedia.org
- Strict water-vessel enforcement keeps the water potable, and water quality assessments are conducted several times each year.en.wikipedia.org
- Water quality assessments are conducted pursuant to water quality standards adopted by states and other jurisdictions (territories, interstate commissions and tribes).en.wikipedia.org
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英语