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- An area of land,less extensive than a region,having a characteristic plant and animal population. 亚区土地的一个区域,比地区要小,有其独特的植物和动物种群
- Destruction of habitats, disastrous environmental and climatic changes can reduce an animal population. 生存地的破坏,环境和气候灾难性的变化会造成某种动物的减少。
- An area of land, less extensive than a region, having a characteristic plant and animal population. 亚区土地的一个区域,比地区要小,有其独特的植物和动物种群
- Scientists surmise that it jumped from an animal population to humans via a bite or meat. 科学家推测人们在被叮咬或摄入肉类时从动物源感染了这一病毒。
- The Government continued to maintain close vigilance in influenza surveillance in both human and animal populations. 政府会继续加强病人和禽畜的流感监察工作。
- Community ecology studies how communities of plant and animal populations function and are organized. 群落生态学研究动、植物种群的组织和功能。
- Progress in Animal Population Ecology 动物种群生态学的进展
- Malthus himself thought richer people would have more children and, as any biologist will tell you, animal populations increase when there is more food around. 马尔萨斯个人认为富裕人群会生育更多子女,正如生物学家所说,动物繁殖数量会因食物的增加而增加。
- It is often unpleasant to see an anomaly animal. 见到一只畸形动物常常会使人感到不快。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- The animal is not used to the hotness of its new habitat yet. 这个动物还不习惯新栖息地的炎热。
- The community was able to show conservationists where they traditionally hunted, where they noticed declines in certain animal populations, and where villages had stood and moved to over the years. 社会能呈现保育他们传统的猎物,他们在那里发现跌幅在某些动物种群,并在村子里站移到多年来的发展。
- A desert has no settled population. 沙漠没有固定的居民。
- The dying animal was found foaming at the mouth. 那只将死的动物被发现口吐白沫。
- The animal's fur bristled up with anger. 那只动物因发怒而竖起了身上的毛。
- She subscribes to an animal protection society. 她捐款给一个动物保护协会。
- There was a steady increase in population. 人口在不断增长中。
- What is the population of this country? 这个国家的人口是多少?
- The cat is a domestic animal in many countries. 猫在许多国家都是家养动物。
- This word denotes a certain kind of animal. 这个词是一种野兽的名称。