step-down的用法和樣例：
例句
用作形容詞 (adj.)
- The economies of Europe and Japan rebounded strongly in the third quarter, but look likely to slow down.
歐洲和日本經(jīng)濟在第三季度強烈反彈，但是有減緩的趨勢。 - Levelling up never happens but always levelling down in my experience.
對于我來(lái)說(shuō)，水平提高是從未有過(guò)的事情，倒是水平下降的情況時(shí)有發(fā)生。 - These new figures give the lie to the belief that unemployment is going down.
這些新的數據表明失業(yè)率在下降的看法是不真實(shí)的。
用作名詞 (n.)
- Their demands had narrowed down to only two points.
他們的要求已減少到只有兩點(diǎn)。 - We shall have to prune down our expenditure a bit.
我們有必要把開(kāi)支減少一些。
詞匯搭配
- step down 逐漸縮小
- step down side 變壓器低壓側...
- step down switching voltage regulator 降壓型開(kāi)關(guān)穩壓器...
- voltage step-down circuit 電壓遞降電路...
- step-down substation 降壓變電所
- step-down gear 減速器
- turns step down ratio 匝數分檔下降比...
- step down switching current regulator 降壓型開(kāi)關(guān)穩流器...
- step down amplifier 降壓放大器
- step down test 跳臺試驗
- step down turns ratio 降壓匝數比
- step-down ratio 變壓器降壓比,降壓比...
- step down substation 降壓變電所
- frequency step down 頻率降低
- step down transformer 降壓變壓器
