1.扁虫,扁平无环节的寄生虫
1.a worm with a soft, flattened body. Some flatworms, e.g. tapeworms, are parasites.
1.Protonephridia are present in many flatworms and are involved in osmoregulation. A primitive brain and nerve cords are present.
原肾管存在于许多扁形动物，并涉及渗透调节。原始的大脑和神经索存在。
2.Hippo males fling their faeces; flatworms have penis-jousting contests; and humpback whales sing and leap above the ocean surface.
雄性河马会甩它们的粪便，扁虫用阴茎比武，座头鲸则唱歌并跃出水面。
3.Schistosomiasis (or bilharziasis): Group of chronic disorders caused by parasitic flatworms of the genus Schistosoma (blood flukes).
血吸虫病：由血吸虫属寄生的扁虫引起的慢性疾病。
4.The flatworms have flattened bodies and look more like chewing gum as they forage for food on the rocks.
当他们在岩石上为食喂的时候，扁形虫已经将身体变平而且看起来更像口胶。
5.parasitic flatworms having external suckers for attaching to a host.
寄生的扁虫，有用于吸附宿主的外生吸管。
6.Schistosomiasis, or bilharzia, is a parasitic disease caused by trematode flatworms of the genus Schistosoma.
血吸虫病（又称裂体吸虫病）是由裂体吸虫属血吸虫引起的一种寄生虫病。
7.ribbon-like flatworms that are parasitic in the intestines of humans and other vertebrates.
寄生在人类和其它脊椎动物肠中的带状扁虫。
8.flatworms parasitic in the blood vessels of mammals.
寄生在哺乳动物血管中的扁虫。
9.All right, guys, today we are gonna be observing the behavior of planaria , aka flatworms. So what we're gonna do. . . regenerate .
好了，同学们，今天我们要研究涡虫的特性，又叫扁虫，我们要做的是…观察它们再生。
10.Flatworms such as these are just one of the 33, 000 known species in Japanese waters.
像这样的扁虫只是日本水域中33000已知的物种之一。