如果你已经选择了笔刷工具，按住opt键可以快速启动吸管工具。
If you have the Brush tool selected, hold down Opt key will quickly activate the Eyedropper tool.
用软刷，启动一下那里有明亮的区域上的文字，这将使这些亮点显得更加明亮。
With the soft brush, start clicking where there are bright areas on the text, this will make those highlights look even brighter.
免维护高力矩无刷变频电机直接驱动，启动力矩大、加速时间短。
Maintenance-free brushless drive motor with frequency inversion, has high start torque and short acceleration time.
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