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  • 匿名
关注:1 2013-05-23 12:21

求翻译:An earthworm is a tube-shaped, segmented animal that is commonly found living in soil. An earthworm has a digestive system that runs straight through its body, conducts respiration through the cuticle covering its skin, and has a simple, closed circulatory system. Earthworms are hermaphrodites--each individual carries 是什么意思?

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An earthworm is a tube-shaped, segmented animal that is commonly found living in soil. An earthworm has a digestive system that runs straight through its body, conducts respiration through the cuticle covering its skin, and has a simple, closed circulatory system. Earthworms are hermaphrodites--each individual carries
问题补充:

  • 匿名
2013-05-23 12:21:38
蚯蚓是一种管形的,分割动物,通常生活在土壤中发现。蚯蚓有消化系统运行直接通过它的身体,通过覆盖的皮肤角质层进行呼吸,并有一个简单的,封闭的循环系统。蚯蚓是雌雄同体 - 每一个人携带的男性和女性的性器官。蚯蚓没有骨架,保持其结构与充液室。
  • 匿名
2013-05-23 12:23:18
  • 匿名
2013-05-23 12:24:58
  • 匿名
2013-05-23 12:26:38
  • 匿名
2013-05-23 12:28:18
 
 
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