黑头粉刺

例句：

1. 1.He has a blackhead on his nosethat he can't seem to getrid of.
   他的鼻子上有一个黑头，他似乎无法摆脱。
2. 2. She appliedsome acne cream to herface and it seemed to helpwith the blackheads.
   她把一些抗痘霜涂在脸上，似乎对黑头有所帮助。
3. 3. The doctoradvised him to keep hisskin clean and free from blackheads.
   医生建议他保持皮肤清洁，避免黑头。