断言者

例句：

1. 1. The scientist made anassertion about the new technology.
   科学家对新技术发表了断言。
2. 2. The assertorwas confident that the project would succeed.
   断言者很有信心这个项目会成功。
3. 3. Theassertor's words were met withsilence from the audience.
   断言者的言辞遭到了观众的沉默回应。