'seston'是英语中的词语，它指的是水中悬浮的有机和无机物质的总和，通常包括浮游生物、碎屑、颗粒物等微小物质。这个词语主要在水文学、生态学、环境科学等领域中使用。
以下是9个含有'seston'的例句：
1. The seston communities in the lake were found to differ significantly between the littoral and pelagic zones.（这个湖泊的浮游生物群落在岸边和深处有显著的差异。）
2. The researchers analyzed the seston content in the river and found that it was heavily polluted with industrial waste.（研究人员分析了该河流中的悬浮物质含量，发现其中含有大量工业废弃物。）
3. The composition of seston in the estuary changed seasonally due to variations in temperature, salinity, and nutrient availability.（河口的浮游物质组成因温度、盐度和营养物质的变化而季节性变化。）
4. The abundance of seston in the lake was positively correlated with the presence of certain microorganisms.（这个湖泊中浮游生物的丰富度与某些微生物的存在呈正相关。）
5. The researchers used a specialized filter to collect seston samples from the river for analysis.（研究人员使用专用过滤器从河流中收集浮游物质样品进行分析。）
6. The seston in the river was found to be a major source of food for juvenile fish populations.（河流中的浮游物质被发现是幼鱼群体的主要食物来源。）
7. The seston composition in the lake was affected by both natural and human impacts.（这个湖泊中的浮游物质组成受到自然和人为影响。）
8. The researchers measured the size distribution of seston particles in the estuary and found that it varied depending on the location within the estuary.（研究人员测量了河口中浮游物质颗粒的大小分布情况，发现它因所处位置而异。）
9. The amount of seston in the river increased significantly downstream of a wastewater treatment plant.（下游的一个废水处理厂使该河流中的浮游物质数量显著增加。）
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