There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.Describe the excretory system of the genus Nereis briefly.简述沙蚕属的排泄系统.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官In the earthworm and many...

There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.Describe the excretory syste...

n.排泄器官adj.排泄（物）的...

排泄过多的...

excretory的音标：excretory的英式发音音标为：[ɪks'kri:təri]excretory的美式发音音标为：['ekskrətɔri]...

hyperexcretory的音标：hyperexcretory的英式发音音标为：['haɪpəɪkskri:tərɪ]hyperexcretory的美式发音音标为：['haɪpəɪkskritərɪ]...