mononucleosis
🇺🇸
/ˌmɑːnəʊˌnuːkliˈəʊsɪs/
🇬🇧
/ˌmɒnəʊˌnjuːkliˈəʊsɪs/
An illness that makes your body feel very tired and causes your neck and armpit lumps to get bigger and hurt.
After being diagnosed with mononucleosis, she had to rest a lot and avoid strenuous activities.
単核球増加症と診断された後、彼女は多く休むしかないで、激しい活動を避けなければならなかった。