剑桥词典a long , narrow area , usually at the top of a computer screen , that contains lists of instructions to the computer . These lists are kept out of view until you choose to see them. （通常位于计算机屏幕顶部、包含指令的）菜单栏 Click "File" in the menu bar , then click "Exit". 点击菜单栏中的“文件”，再点击“退出”。 返回 menu bar