Is the mouse button down or up?

鼠标键是向下还是向上？

Click on the icon with the right mouse button.

【button】用鼠标右键点击图标。

Select the printer icon and then click the left mouse button.

【mouse】选择打印机图标，然后点击鼠标左键。

Q is my platform and my two side mouse buttons are my wall and my ramp, which are arguably the most important building keybinds.

Q 是我的平台，而我鼠标两侧的按钮是我的墙壁和坡道，这可以说是最重要的热键绑定了。

So if you have mouse, highly recommend getting a mouse with two or three buttons on it and make sure you map two of your building options to your mouse buttons.

所以如果你有鼠标，强烈建议使用带有两个或三个按钮的鼠标，并确保将两个建筑选项投射到鼠标按钮上。