The presenter can use an additional set of tools such as Meeting Minder, Speaker Notes, Slide Navigator, and Slide Meter.
演示者可以使用许多附加工具，例如会议记录、演讲者备注、幻灯片漫游，或幻灯片计时器。
Slide one arm over the other and stretch it to the opposite shoulder as in measuring one meter piece of fabric.
让一只手臂滑到另一只手臂上然后伸展到另一个肩头，像在量一尺的布匹。
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