Definition
When something like spots manifest on your skin.
（皮膚上）出現斑點等
In the summer, my skin tends to come out in spots when exposed to the sun.
夏天時，我的皮膚在陽光下容易出現斑點。
The allergic reaction caused me to come out in red spots on my arms.
過敏反應讓我的手臂上出現紅斑。
I often come out in small blemishes on my face when I eat chocolate.
我吃巧克力時，臉上經常會出現小瑕疵。