On button down的意思|示意

Another setting puts a large, yellow smiley face on this LCD when the shutter button is pressed down halfway.

另一个设置是，当快门被按下一半时，前面的液晶屏上显示一张大大的黄色笑脸。

For the full-on grunge look, emulate Caroline D'Amore and pair a plaid button down with a jean or leather vest and add gothic-inspired tights.

要想有乞丐装的感觉，可以模仿卡罗琳·达莫尔，用格子衬衫搭配牛仔或皮背心，并配上哥特式风格的紧身衣。

Press your pen button and then press down on the image of the light bulb.

请按一下笔的按钮，然后按下电灯泡的图像。

Then select the layer's content by holding down the Ctrl button and clicking on this layer on the layers panel.

接着，按住ctrl键点击图层面板内的这一图层来选择图层内容。

Click in the panel (not on any slide), hold down the mouse button, and move the mouse over the slides you want to group.

单击面板(不是任何幻灯片)，按下鼠标按钮，移动过你想要成组的幻灯片。

The "menu" drop down button on the bottom right has been replaced with a sym symbol button.

底部右侧原“菜单”键变为SYM“符号”键。