劍橋詞典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. （通常位於計算機(jī)屏幕頂部、包含指令的）菜單欄 Click "File" in the menu bar , then click "Exit". 點擊菜單欄中的“文件”，再點擊“退出”。 返回 menu bar