So if you look at honeybees, and this is a slowed down video, they're so small, the inertia is so lightweight --  that they don't care -- they bounce off my hand, for example.
如果你们观察一下蜜蜂， 在这个慢速的视频里， 它们是这么小， 惯性是这么轻 ——  它们并不在意—— 它们会撞击我的手，比如说。