brush tool

基本解释

When you have the brush tool selected, pressing the number keys will adjust the brush opacity.
当你已经选择了画笔工具，按下数字键可以调整画笔的不透明度。
There are a number of ways you can go from here, but I like to use my brush tool again as it gives me more control.
在这个时候你有多种选择，但是我仍旧喜欢再次用画笔工具，因为它给我更多的控制力。
However in my opinion, healing brush tool is only useful when the area you try to heal is reletively small, and it can be a bit difficulty to adjust the source position.
然而在我看来，修复笔刷工具仅仅是在修复很小的细节的时候最有效。但是可能在调整整体效果的时候比较难用。

You then 'paint' the color back in using a brush tool, restoring the original colors into the areas of the photo that you want to.
ENGADGET: blogger-avatar
That latter tool, the Advanced Healing Brush, lets you paint in corrections, rather than using the round dropper to make tweaks.
ENGADGET