当毛孔被阻塞的情况下，就可能产生粟粒疹或黑头粉刺。

When these pores become blocked a whitehead or blackhead may develop.

youdao

毛孔堵塞、关闭，但却生长并突出于皮肤之上，就形成了粟粒疹。

If a pore gets blocked and closes but grows out from the skin, you are left with a whitehead.

youdao

毛孔堵塞、关闭，但却生长并突出于皮肤之上，就形成了粟粒疹。

If a pore gets blocked and closes but grows out from the skin, you are left with a whitehead.

youdao