學(xué)個(gè)詞 Learn A Word:1558 roll back

今天我們要學(xué)的詞是 roll back. Roll back 意思是后退，退步。國(guó)際艾滋病大會(huì)星期天在華盛頓開(kāi)幕，The participants called for governments not to roll back progress made against the epidemic even though they're facing tight budgets. 與會(huì)代表呼吁各國(guó)政府，雖然面臨預(yù)算壓力，也不要讓打擊艾滋病的進(jìn)展退步。美聯(lián)航上周五國(guó)內(nèi)機(jī)票漲價(jià)，業(yè)界專家說(shuō)，United could be forced to roll back the increase if other airlines don't match it soon. 如果其他航空公司不跟進(jìn)的話，美聯(lián)航可能會(huì)被迫將票價(jià)降低到漲價(jià)前的水平。好的，今天我們學(xué)習(xí)的詞是 roll back, roll back, roll back....