的意思 bottom sample

1. The bottom sample of the lake sediment showed high levels of pollution.
湖底沉积物的样本显示出高污染水平。

2. The scientist collected a bottom sample to study the marine ecosystem.
科学家收集了一个底部样本来研究海洋生态系统。

3. The bottom sample revealed traces of ancient civilizations buried beneath the ocean floor.
底部样本显示出海底深处埋藏着古代文明的痕迹。

4. The researchers took a bottom sample to analyze the composition of the ocean floor.
研究人员取了一个底部样本来分析海底的成分。

5. It is important to collect a bottom sample to understand the sedimentation process in the lake.
收集底部样本是了解湖泊沉积过程的重要方法。

6. The bottom sample contained microorganisms that play a crucial role in nutrient cycling in the ocean.
底部样本中含有在海洋中起关键作用的微生物。