With the ice long gone, he is forced onto land in search of food. 冰层早已融化,迫使它到陆地上寻找食物
Its long arm extends further north than the rest of the continent, so spring arrives here first. 这里与南极洲的其它地方相比更靠近北边, 所以春天先来到这里
After a rainstorm the saguaro's long shallow root system sucks up the water 暴风雨过后 弁庆柱 用又长又浅的根系吸收水分
Before long the cacti are dripping with dew. 不久之后 雾凝结成了露水
But this situation won't last long. 但是这种情况不会持续多久
Dunes of sand hundreds of miles long streak their surface. 绵延数百英里的沙丘像是一条条皱边花纹
so these species must have been isolated for a very long time. 所以这些物种必定 与世隔绝了相当长的一段时间