specimen aspirated from uterine cavity

例句：

1. 1. The pathologist examinedthe sample of tissue for signs of cancer.
   病理学家检查了组织样本，寻找癌症的迹象。
2. 2. The researcher collected several specimens from different locations.
   研究者从不同地点收集了几个样本。
3. 3. The scientist analyzed the resultsof the experiment to draw conclusions aboutthe specimen.
   科学家分析了实验结果，以得出对样本的结论。