invertebrates [ɪn'vɜ:təbreɪts]

例句:

• Insects are the only invertebrates to have evolved flight.
  来自BBC
• They mainly eat fish, crustaceans and other deep-sea invertebrates.
  来自BBC
• 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.
  
• The picture for marine invertebrates however is less clear.
  来自BBC