Testifier
n. 证人, 证明者
✅ 同义词
🗣️ 情景例句
We have to advance the building of the new school.
我们必须促进新学校的建设。
Have you finished yet?
你做完了吗？
One of the boys is English. His name is Jim.
有一个男孩是英国人，他的名字叫吉姆。