deteriorationKK [dɪˋtɪriɚˏeʃən] /dɪˈtɪɹiɚˌeɪʃən/名詞1惡化、變差、退步The report notes a sharp deterioration in air quality downtown.報告指出市中心的空氣品質急遽惡化。2劣化、變質、損壞Moisture caused rapid deterioration of the wooden beams.濕氣造成木樑迅速劣化。3衰退、退化多用於醫學Doctors are monitoring the deterioration in her memory.醫生正在觀察她記憶力的衰退情形。4惡化The deterioration in relations between the two countries worries investors.兩國關係的惡化令投資人憂心。