一系列控制杆连着一枚指针，在刻度盘上显示出压力数。
A series of levers joined to a pointer shows pressure on a dial.
还添加了一组新注释工具，其中包括高亮显示器、指针工具、更好的颜色控制和可编辑文本。
A new set of annotation tools has also been added, including a highlighter, pointer tools, better color controls, and editable text.
阅读时使用指针可以帮你很好地控制速度。
A pointer helps with control because instead of just using your eyes, you can physically move your hand to adjust your reading speed.
应用推荐