From the drop down menu, select the data source driver.

从下拉菜单中，选择数据源驱动器。

youdao

Choose the server or cluster to add the bus from the drop down menu.

从下拉菜单中选择要添加到总线的服务器或集群。

youdao

Clickthe Picture location drop down menu to explore different categories.

点击图片位置下拉条可以查看不同的目录。

youdao

When that window loads, right click on the "note in" object and choose "help" in the drop down menu.

ENGADGET: How-To Control Csound with a Custom Midi Controller: Hardware (2 of 2)

At the top of the screen you will see the tools tab and from the drop down menu select add-ons.

BBC: Talk Shoe

When clicked, it reveals a drop-down menu of all your notifications, and highlights unread ones in yellow.

FORBES: Connect