“逛超市”的英文表达是 "go shopping at a supermarket"。这个表达的来源可能源于人们通常会在超市里购买生活用品，因此将“逛”和“超市”结合起来表达“去超市购物”的意思。

例句：

"I'm going shopping at the supermarket later. Do you need me to pick up anything for you?"（"我稍后要去超市购物。你需要我帮你拿点什么吗？"）

"I hate going to the supermarket. It's always so crowded and stressful."（"我讨厌去超市。那里总是那么拥挤和压力大。"）