1. The students held a protestatory rally to voice their opposition to the new school policies.
学生们举行了一场抗议集会，表达他们对新学校政策的反对之声。

2. The protestatory letter was written by a group of concerned citizens who felt their voices were not being heard.
那封抗议信是一群担心的市民写的，他们感觉自己的声音没有被听到。