The major polluting agents are animal wastes, antibiotics and hormones, chemicals from tanneries, fertilizers and the pesticides used to spray feed crops.

主要的污染物是动物粪便、抗生素和激素、制革厂的化学品、用于饲料作物的化肥和杀虫剂。

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The rain simulator has 4 in-line spray nozzles, which are feed by a pressurized portable pipe system.

UNESCO: AQUATACAMA

Blazars are a special case of "active galaxies" - those whose supermassive black holes spray out great quantities of light across the whole electromagnetic spectrum as they feed on surrounding matter.

BBC: Blazar Markarian 421's flare-up is cosmic coincidence