您要查找的是不是：
- The earthworm population had declined by 70%. 蚯蚓数量下降70%25。
- Earthworm populations in arable soils in the United States may be destroyed by frost. 在美国可耕地中蚯蚓的种群会被冰冻所毁坏。
- The oral opening in an earthworm is small. 蚯蚓的口是很小的。
- Secondary succession of earthworm population in high production agro-ecosystem in North China 华北高产农田生态系统中蚯蚓种群次生演替规律
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- Impact of soil fertility maintaining practice on earthworm population in high production agro-ecosystem in North China 不同土壤培肥措施对华北高产农田生态系统蚯蚓种群的影响
- Impact of soil fertility maintaining practice on earthworm population in low production agro-ecosystem in north China 不同培肥措施对低肥力土壤生态系统蚯蚓种群数量的影响
- A desert has no settled population. 沙漠没有固定的居民。
- 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？
- Disease has decimated the population. 疾病使大部分人死亡。
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- The earthworm can regenerate if it's cut in half. 蚯蚓被切成两段后可以重新生长。
- What is the population of Ireland? 爱尔兰人口有多少?
- There was a swell in the city's population. 该市出现过人口膨胀。
- In ten years the city's population expanded by 12%. 十年之中,该城人口增加了百分之十二。
- The population of this country rose by 10 percent. 这个国家的人口增长了百分之十。
- Earthworm channels greatly aid root growth. 蚯蚓洞穴极有助于植物根系生长。
- What is the total population of Japan? 日本的总人口为多少?
- An earthworm is a terricolous organism. 蚯蚓是陆生的生物。
