invertebrates造句
Insects and worms are all
invertebrates.
昆虫和蠕虫都是无脊椎动物。
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.
But regulators with spine are still better than
invertebrates.
但是那些有脊梁的监管者还是比那些软骨头好多了.