英语听力入门第三册第四单元.doc

Unit 4 World News: Earth and Environment Part Ⅰ Warming up key words: desertification沙漠化 The transformation of arable or habitable land to desert, as by a change in climate or destructive land use. 沙漠化：由于气候的变化或对土地无限制地使用将可耕耘的或能居住的土地变成沙漠 endangered reptile濒危的爬行动物 endangered：Faced with the danger of extinction濒临灭绝的：面临绝种的危险的 reptile：Any of various cold-blooded, usually egg-laying vertebrates of the class Reptilia, such as a snake, lizard, crocodile, turtle, or dinosaur, having an external covering of scales or horny plates and breathing by means of lungs爬行动物：一种爬行纲的冷血的、通常是卵生的脊椎动物，例如蛇、晰蜴、鳄鱼、乌龟或恐龙，具有鳞状外皮或角质板块结构并用肺进行呼吸 oil spill spill：To run or fall out of a container or containment溢，溅：从容器或包围物中流出或溢出 wildfires【林】①林野火灾 ②野火未受消防措施影响在森林野地自由燃烧的火 directory通讯录 A book containing an alphabetical or classified listing of names, addresses, and other data, such as telephone numbers, of specific persons, groups, or firms通讯录，工商行名录，号码簿：内含按字母顺序排列分类的人名、地址和其他资料的书，如特定的人、团体或公司的电话号码 Vocabulary: climatologist[klaim?t?l?d?ist]气象学家 deformity畸形 A bodily malformation, distortion, or disfigurement. 畸形：身体的变形、扭曲或缺陷 salamander[s?l?m?nd?]蝾螈 Any of various small lizardlike amphibians of the order Caudata, having porous scaleless skin and four, often weak or rudimentary legs蝾螈：有尾目中一种像蜥蜴的小型两栖动物，具有多孔无鳞的皮肤和四条常无力或发育不完全的腿 alligator[?li.geit?]短吻鳄 Either of two large reptiles,Alligator mississipiensis of the southeast United States or A. sinensis of China, having sharp teeth and powerful jaws. They differ from crocodiles in having a broader, shorter snout短吻鳄：两种大型爬行动物，美国东南部的密西西比鳄 或中国的 扬子鳄 中一种，它们有尖利的牙齿和有力的颚部。和一般鳄鱼相比它们有更宽，更短的鼻子 herbicide灭草剂 A chemical substance used to destroy or inhibit the growth of plants, especially weeds灭草剂：用来摧毁或抑制植物，尤指杂草的生长的化学物质 blaze火光 A brilliant burst of fire; a flame火光：熊熊烈火；火焰 xeriscape无水绿化The branch of a nations armed forces that is responsible for coastal defense, protection of life and property at sea, and enforcement of customs, immigration, and navigation laws海岸卫队，海岸警备队：国家武装力量的分支，负责海