mononucleosis
noun [ U ] mainly US uk/ˌmɒn.əʊˌnjuː.kliˈəʊ.sɪs/ us/ˌmɑː.noʊˌnuː.kliˈoʊ.sɪs/ (informal mono); (UK usually glandular fever)
腺热
an infectious disease that has an effect on particular glands and makes you feel weak and sick for a long time