pull-down menu

剑桥词典

a list of instructions , especially on a computer screen , that is hidden until you open it
（電腦屏幕上）下拉式菜單，下拉選項屏
Click "Tools", then select "Options" from the pull-down menu . 點擊“工具”，然後從下拉式菜單裡選擇“選項”。 返回 pull-down menu