名词
中文翻译：缓慢沉降颗粒物
同义词：
['slow-moving particles', 'sedimentary particles']
例句：
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1. The slow settling particles in the water are causing a lot of problems for the fish.
水中的缓慢沉降颗粒给鱼类带来了很多问题。
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2.The scientists found that these slow settling particles were actually harmful to the environment.
科学家们发现这些缓慢沉降颗粒实际上对环境有害。
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3. The particles in the air are slowly settling down to the ground, creating a layer of dust.
空气中的颗粒物正在缓缓沉降到地面，形成了一层灰尘。