美国环保署发布了一份关于水质改善的报告。

The ___EPA released a report on water quality improvements.

这种鱼油富含EPA，对心脏健康有益。

This fish oil is rich in ___EPA, which benefits heart health.

这头种羊的预估后代差异显示它在肉质方面有显著优势。

The ram's high ___EPA for meat quality indicates significant breeding advantages.