这是澳大利亚蝗灾委员会(APLC)在蝗虫前行的路上，试图用杀虫剂减少蝗虫数量时发现的。
This is when the Australian Plague Locust Commission (APLC) tries to reduce their Numbers, by laying strips of insecticide in their path.
这是澳大利亚蝗灾委员会(APLC)在蝗虫前行的路上，试图用杀虫剂减少蝗虫数量时发现的。
This is when the Australian Plague Locust Commission (APLC) tries to reduce their Numbers, by laying strips of insecticide in their path.
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