glandular fever
noun (British English)(North American English mononucleosis, informal mono)
[uncountable]a disease that causes the lymph glands to swell (= become large, round and painful) and makes the person feel very weak for a long time 腺热:一种导致淋巴结肿大(变得肿大,圆形和疼痛)并长时间使人感到虚弱的疾病