strengthened 是 strengthen 的過去式strengthenKK [ˋstrɛŋθən] /ˈstɹɛŋθən/動詞1加強、強化、增強The new law strengthens protection for part-time workers.新法加強了對兼職員工的保障。2變強、增強The wind strengthened overnight and brought heavy rain.風勢在夜裡增強,帶來了大雨。3鞏固、加固、補強Engineers strengthened the bridge before the typhoon season.工程師在颱風季前補強了那座橋。4上漲、走強金融The local currency strengthened against the dollar last week.上週當地貨幣對美元走強。