testify about就
testify before出庭作证
testify E证明
hearsay testify传闻证据
activities testify活性研究
witness testify证人作证
testify to表明;说明;证明;证实
alibi testify不在场证明
testify for为…作证
Part III: My prejudice to testify Crime.
第三部分:我国妨害作证罪认定。
参考来源 - 论我国刑法中的妨害作证罪（研究生论文）Finally Jingjinji region is used as an example to testify above analysis means.
最后以京津冀地区为案例进行了实证分析。
参考来源 - 京津冀地区物流业对经济增长的作用分析—《物流科技》—2007年第4期—龙源期刊网V-T/V-I（及物动词/不及物动词） When someone testifies in a court of law, they give a statement of what they saw someone do or what they know of a situation, after having promised to tell the truth. (在法庭上) 作证
Several eyewitnesses testified that they saw the officers hit Miller in the face.
几个目击者证明他们看到那些警察们打了米勒的脸。