英语听力：探索发现 2013-01-02 冰河新新州 Ice Age Oasis—9
时间：2018-12-27 作者：英语课 分类：探索与发现2013年
英语课
The cold climate conifer forests of the north displaced broadleaved woodlands. Plants and animals were gradually pushed south to find a warmer climate. Florida became a refuge from the cold. Down here is where the Ice Age north met the subtropical south. Today in a cool wooded part of the Sunshine State, you can still see some of these northern refugees.
The valleys along the Apalachicola River are home to many species that were forced here in the Ice Age e and now remain far away from their populations further north, like the copperhead snake and an astonishing variety of amphibians 1.
During the Ice Age, Florida was crucial to the survival of many such mild-weather species. They couldn't have withstood the cold of north, and without this refuge, they would simply have become extinct. Another leftover 2, but one that arrived from the opposite direction.
1 amphibians
两栖动物( amphibian的名词复数 )； 水陆两用车； 水旱两生植物； 水陆两用飞行器
- The skin of amphibians is permeable to water. 两栖动物的皮肤是透水的。
- Two amphibians ferry them out over the sands. 两辆水陆两用车把他们渡过沙滩。