1、People caught killing rhinos are sentenced to prison 主要干是
People are sentenced to prison 。人们被判入狱
2、caught killing rhinos :分词作定语,修饰people,
people caught killing rhinos=people who are caught killing rhinos
被抓住捕捉犀牛的人们。
希望能帮到您
追问还有个问题。people who are caught killing rhinos 。这里的 killing 又是一个神马情况
追答be caught doing:被抓住正在做。。。。