antarctic front

基本解釋

Swift and agile, Antarctic fur seals rely on their powerful front flippers to propel them through the water; smaller hind flippers help with steering.
動(dòng)作靈活而快捷的南極海豹依靠其強(qiáng)大的鰭狀前肢，讓它們?cè)谒许樌靶校恍∫恍┑暮篥拵椭刂品较颉?/li>
More than 60 nations launch the broadest scientific investigation yet of the Arctic and Antarctic on Thursday to chart polar regions on the front lines of climate change.
全球60多個(gè)國家周四開啟了目前為止對(duì)南北極的最為廣泛的科學(xué)調(diào)研，旨在考察氣候變化對(duì)兩極地區(qū)的影響。