大学英语：Life on the Tundra

　　Life on the Tundra

　　冻土带上的生活情景

　　Tundra is the name given to the low, marshy plains of Europe, Siberia, and North America that border on the Arctic Ocean.

　　译：欧洲、西伯利亚和北美洲接近北冰洋的低洼沼泽平原称为冻土带。

　　1.border on 与…相邻

　　In Alaska, the vast, cold region known as the "Northern Slope" is part of the tundra. Nature sets harsh terms for survival in this land. Only those plants and animals that are adapted to the hostile environment can survive in it.

　　2.be know as

　　terms 条件(如果去掉s则没有条件的意思，表示“学期;术语”)

　　3.adapt to 适应…

　　译：美国阿拉斯加州，那块广阔寒冷通称为"北边坡地"的地区就是冻土带的一部分。大自然为这片土地设置的生存条件十分恶劣。只有那些能适应在逆境中生存的植物和动物才能在这种环境中生存下来。

　　Long periods of darkness and bitter cold are the major threats to life on the tundra. At the Arctic Circle, the sun cannot be seen above the horizon in December. North of the Circle, the darkness lasts even longer. Over the northern reaches of the tundra, no sunlight can be seen at all for several months of the year.

　　bitter 在这里表示“刺骨的”