dropdown
[drɒp'daʊn]
n.
下拉式（列表），下拉式（菜单）;
水位降深;
例句:
-
Enhanced grid control with customizable column attribute and dropdown comboboxes.
具有可定制行列属性和下拉式组合框的增强的网格控制.
-
Drag onto the page to indicate a toolbar button dropdown.
拖到绘图页后,可以指示工具栏按钮下拉.
-
Select Table: Vacations in the Tables or Queries dropdown list.
选择休假表: 表格窗口中或查询下拉列表中.