选择40px的硬笔刷。
I chose a hard brush, 6 pixels big, at 100% opacity, and with black paint.
我选择硬笔刷,大小是6像素,100%透明度,颜色选黑色。
Don't brush too hard - the bristles should lightly sweep the tooth.
刷牙不要太使劲。刷毛应该轻轻扫过牙齿。
If you brush your teeth too hard, your gums may start to bleed.
如果刷牙时太用力,齿龈就会开始出血。
Next, use a large, hard-edged white brush to remove any remaining background grey.
下面,用一个大的硬笔刷移除背景上剩余的灰色。
Don't brush too hard - the bristles should lightly sweep the tooth.
刷牙齿之外也要沿着牙龈线刷一下。
不要刷得太使劲。
不要刷得太使劲。
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