faecula

例句：

1. 1. The dog had a bad case of diarrhea.
   这只狗得了严重的腹泻。
2. 2. The scientist collected samples from the faecula for further analysis.
   科学家从排泄物中收集样本以进行进一步分析。
3. 3.The patient was advised to maintain good hygiene to prevent faecula contamination.
   患者被建议保持良好的卫生习惯，以防止排泄物污染。