These microscopic plants, commonly observed as a brown skin coating submerged stones in rivers and lakes and as phytoplankton in seas and oceans, typically contain oil droplets inside their cells.
这些微型植物，常见形态为在江河湖泊中石头表面的褐色地衣或海洋中的浮游物，在他们的细胞中通常含有油滴。
Due to the influence of environmental pollution, phytoplankton blooms often arise in many lakes and reservoirs in China (during) spring through autumn.
在春至秋季，由于环境污染的影响，我国许多湖泊和水库中经常发生水华现象。
Due to the influence of environmental pollution, phytoplankton blooms often arise in many lakes and reservoirs in China (during) spring through autumn.
在春至秋季，由于环境污染的影响，我国许多湖泊和水库中经常发生水华现象。
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