ranger

The park ranger guided the tourists through the trail while explaining the local wildlife.

(Chinese) 公园护林员引导游客走过小径，同时讲解当地的野生动物。

Rangers in the African savanna risk their lives to protect endangered rhinoceroses from poachers.

(Chinese) 非洲大草原上的巡护员冒着生命危险保护濒危犀牛免受盗猎者的伤害。