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freshwater造句
181. A freshwater plant of eastern North America, having heart-shaped leaves with long petioles and spikes of violet-blue flowers. 182. The sea water is heavier than the freshwater, so its pressure is greater, too. 183. The result shows the mean accuracy of classification rate is up to 95.41% for freshwater plankton images, such as chironomid larvae, cyclops and harpacticoida. 184. The bittern still faces threats, including sea level rise, where freshwater sites along the coast could be inundated by saltwater.