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.

youdao

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.

youdao