telegraphpole、telegraph是什么意思

5月1日国际劳动节起源于美国芝加哥的工人罢工 1886年5月1日，芝加哥超过216，000名工人举行总罢工，争取8小时的工作制度After a hard bloody struggle， they finally won To commemorate this great workers#39 movement。

After walking for a while， we saw a telegraph pole with many bird nests on it We started walking again After walking for 15 minutes， we finally reached Dongshan We went down and saw that there were many people。