adj.主要的，占多数的，主导的，占优势的

The preponderance of evidence supports the theory that climate change is caused by human activities.
大量的证据支持这样的理论，即气候变化主要由人类活动引起。
In a court of law, the preponderance of the evidence must be on the side of the prosecution to secure a conviction.
在法庭上，证据必须倾向于起诉方，才能获得定罪。
The preponderant factor in his decision was his love for adventure.
他做决定的主要因素是他的冒险精神。
His argument held the preponderant weight, convincing most of the audience.
他的论点具有压倒性优势，说服了大多数听众。
The preponderant influence of social media on young people's lives cannot be ignored.
不能忽视社交媒体对年轻人生活的影响。
In the financial crisis, the preponderance of small businesses suffered greatly.
金融危机中，大多数小企业遭受了巨大打击。
The preponderance of scientific research points to a link between smoking and lung cancer.
大部分科学研究表明吸烟与肺癌之间存在关联。
The preponderant opinion among experts is that early education is crucial for a child's development.
专家们普遍认为早期教育对孩子的成长至关重要。
Despite the initial doubts, the preponderance of data eventually convinced the team of the viability of the project.
尽管最初有所怀疑，但大量数据最终使团队相信项目是可行的。
In a debate, the preponderant use of facts over emotions often tips the scales in favor of the more rational argument.
辩论中，事实的充分运用常常会使得理性论点占据上风。