cold sore

US /ˈkoʊld sɔːr/
UK /ˈkoʊld sɔːr/
"cold sore" picture
1.

口唇ヘルペス, 熱の華

a small blister or group of blisters on the lips or around the mouth, caused by the herpes simplex virus

:
She woke up with a painful cold sore on her lip.
彼女は唇に痛い口唇ヘルペスができて目が覚めた。
Applying an antiviral cream can help treat a cold sore.
抗ウイルス性クリームを塗ると口唇ヘルペスの治療に役立つ。