a high degree of climatic seasonality明显的季节性气候变化It's a difficult place to live because of its climatic extremes.该地气候极端,很难让人生存.The fields give high and stable yields regardless of climatic circumstances.不管天气条件如何,这块地总是...
It's a difficult place to live because of its climatic extremes.该地气候极端,很难让人生存.These two previously isolated species coalesced because of some large climatic change.两个以前相隔离的种因为某种大的气候变迁而接合在一起.It’s a difficult place to...
At first blush, vaccinating the wolves against rabies seems a simple solution.乍一看来, 为狼群注射防狂犬病疫苗是一种简单的办法.Also vaccinating children against measles has saved many lives.同时包括给儿童接种麻疹疫苗,可以挽救很多生命.Also, vaccinating children mea...