A few days ago I thought the watermelon should be irrigated. When I was on the way to the field I saw a piece of dirty rope by the pine.
几天前我在街上走的时候，看到一根脏绳子，以为没人要了，便捡起来带了回家。
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Through field investigation, pot experiment and sample analysis, effects on the soils, animalcules and reeds in seashore wetland irrigated by pulp wastewater were studied in this paper.