depressionKK [dɪˋprɛʃən] /dɪˈpɹɛʃən/發音de- 向下、除去+press 壓+-ion 名詞→向下壓的狀態展開收合de-字首向下、除去press單字壓-ion字尾名詞字面:向下壓的狀態被往下壓 → 情緒或經濟的低落名詞1憂鬱症、抑鬱症醫學She was diagnosed with depression after months of sleepless nights.在失眠數月之後,她被診斷出憂鬱症。2沮喪、消沉、低落A deep depression settled over him when the project failed.專案失敗後,一股深深的沮喪籠罩著他。3不景氣、蕭條、衰退經濟The country slipped into a long depression after the war.戰後這個國家陷入了漫長的經濟蕭條。4經濟大蕭條常大寫My grandmother grew up during the Depression and never wasted food.我外婆在經濟大蕭條時期長大,從不浪費食物。5凹陷、窪地、凹處Rainwater collected in a shallow depression beside the path.雨水積在小徑旁一處淺淺的凹地裡。6低氣壓氣象A tropical depression is forming off the southern coast.南部外海正形成一個熱帶性低氣壓。