复数： invertebrates

Earthwatch scientists have discovered 18 new species of invertebrate in south africa .

在南非，地球观察（earthwatch）组织的科学家共发现了18种新的无脊椎动物物种。

One of the volunteers at the invertebrate exhibit was feeding the cuttlefish and it was not responsive .

无脊椎动物展览馆的一位志愿者当时正在喂乌贼，而它不理不睬。

21 August 2009 : the week in wildlife - from panda births to newly discovered species of invertebrate

2009年8月21日：本周野生生物从熊猫出生到新发现的无脊椎动物物种

A survey is being undertaken by buglife , the invertebrate conservation trust to determine this .

无脊椎动物保护信托组织“昆虫生命（buglife）”对此正在进行一项调查。

Moles are carnivores feeding almost exclusively small invertebrate animals living underground such as earthworms and the larvae of beetles and flies .

鼹鼠是食肉动物，几乎能吃所有生活在地下的小无脊椎动物，比如蚯蚓、甲虫和蝇类的幼虫。