【抗议PX项目China’s PX protests】Hundreds of people took part in a street protest against a PX plant in southwest China.中国西南数百人走上街头抗议PX项目.☻有毒的noxious/toxic;☻示威者demonstrator;☻防暴警察riot police;☻冲突clash ;☻搬迁relocate;☻关闭shut down