flyspeck

1.Hit upon on nose recently spot of a lot of flyspeck, how to do?

最近鼻子突然有了很多小斑斑，怎么办？

2.In contrast, there were three kinds of flyspeck: black dot, brown dot and micro-dot.

其中的雪花状、条块状、微点类和棕点类为新的类型。