Several members expressed strong dissent against the proposal during the meeting.

dissent 是动词，意思是"不同意、持异议"，由前缀 dis-（表示"相反、否定"）和词根 sent（来自拉丁语 sentire，意为"感觉、认为"）组成，字面意思是"持相反意见"。 在句中 dissent 用作名词，指"异议、不同意见"。