vertigo/ˈvɜ:tɪgəu; `vətɪˌɡo/ n[U]feeling of losing one's balance, caused esp by looking down from a great height; dizziness 眩晕; （尤指）高处俯视性眩晕; 头晕 suffer from (an attack of) vertigo 感到（一阵）眩晕.
牛津英汉双解词典