bar做名词时，是指酒吧、(出售饮料等的)柜台、(专售某类饮食的)小吃店、小馆子；bar做动词时，是指(用铁条或木条)封、堵、阻挡、拦住、禁止、阻止(某人做某事)；bar做介词时，是指除什么之外。

Bar的例句：We met at a bar called the Flamingo.我们在一家名为“火烈鸟”的酒吧相遇。the island's only licensed bar.岛上唯一有酒类销售许可证的酒吧。

She was sitting at the bar.她坐在酒吧的柜台那里。It was so crowded I couldn't get to the bar.人太多了，我无法挤到柜台那儿。I found David in the bar of the Red Lion.我在“红狮”酒吧找到了戴维。

It was so crowded I couldn't get to the bar.人太多了，我无法挤到柜台那儿。He smashed the window with an iron bar.他用铁棒敲碎了窗户。All the ground floor windows were fitted with bars.底层所有的窗户都装了铁栅。