There was a huge social media outcry against the company's environmental pollution for several days.

outcry 是由前缀 out-（表示"向外"）和名词 cry（"喊叫"）组成的复合名词，字面意思是"向外呼喊"，引申为"强烈抗议"或"公开反对"。在社交媒体语境中，指大量用户集中表达的不满情绪。