社区动员志愿者为灾民提供紧急援助。

The community ___mobilizes volunteers to provide emergency aid to disaster victims.

医生教他如何活动受伤的膝盖。

The doctor taught him how to ___mobilize his injured knee.

社区动员居民参与清理公园的活动。

The community ___mobilizes residents to participate in cleaning up the park.