學(xué)個(gè)詞 Learn A Word:1920?renewable

　　今天我們要學(xué)的詞是 renewable. Renewable 形容詞，意思是可再生的，可更新的。President Obama is ordering federal agencies to get 20 percent of their electricity from renewable sources by 2020. 美國(guó)總統(tǒng)奧巴馬要求政府機(jī)構(gòu)在2020年前，讓本部門用電的百分之二十來(lái)自于可再生能源。The renewable energy order is one of several steps the administration has recently announced to increase energy efficiency. 美國(guó)政府最近就提高能源效率宣布了幾項(xiàng)計(jì)劃，這項(xiàng)有關(guān)可再生能源使用的命令是其中之一。好的，今天我們學(xué)習(xí)的詞是 renewable, renewable, renewable...