今天我們要學(xué)的詞是savanna. Savanna 名詞,稀樹草原。A comprehensive census shows that the savanna elephant population in 18 African countries decreased by nearly a third between 2007 and 2014. 一項(xiàng)綜合全面的研究顯示,18個(gè)非洲國家稀樹草原非洲象的數(shù)量在2007到2014年間減少了將近三分之一。The reduction of the number of savanna elephants was largely due to illegal poaching for ivory. 非洲象數(shù)量的減少在很大程度上是由為獲取象牙非法捕獵造成的。好的,我們今天學(xué)習(xí)的詞是 savanna, savanna, savanna...
n. 減少,縮小,(化學(xué))還原反應(yīng),(數(shù)學(xué))約分