efficiencyKK [ɪˋfɪʃənsi] /ɪˈfɪʃənsi/发音名词1效率、效能The new software has greatly improved efficiency in our office.新的软体大幅提升了我们办公室的效率。2效率、能源效率工程、物理Engineers measured the efficiency of the engine under different loads.工程师测量引擎在不同负载下的效率。3节省、精简措施商业、常用复数The merger is expected to create efficiencies worth millions.这桩并购预期能省下数百万的成本。4小套房美式She rented a cheap efficiency near the train station.她在火车站附近租了一间便宜的小套房。用这个字练口说→