“铺”读“pū”的时候，是把东西平平地放开的意思，比如铺床、铺路。

When "铺" is pronounced "pū", it means to spread things out flat, like making a bed or paving a road.

读“pù”的时候，常常指小商店，比如“杂货铺”。

When pronounced "pù", "铺" often refers to a small shop, like a "杂货铺" (grocery store).