It's long and green.Old people like it.What is it?

It's long and green.Old people like it.What is it?
It's long and green.Old people like it.What is it?

It's long and green.Old people like it.What is it?
crutch

它既长又绿，老年人喜欢它，是什么呢？
拐杖

bamboo - 竹子
做 拐杖 ？

黄瓜？

竹子做的拐杖？