invertebrate

名词 invertebrate:

1. any animal lacking a backbone or notochord; the term is not used as a scientific classification

形容词 invertebrate:

1. lacking a backbone or spinal column
   同义词：spineless

1. Molluscs, insects and worms are all invertebrates.
   软体动物、 昆虫、 蠕虫都是无脊椎动物。

in.ver.te.brate

adj.（形容词）
Lacking a backbone or spinal column; not vertebrate.
无脊椎的：缺少脊骨或脊柱的；无脊椎的
Of or relating to invertebrates:
无脊椎动物的：属于或关于无脊椎动物的：
例句：
invertebrate zoology.
无脊椎动物的动物特性

n.（名词）
An animal, such as an insect or a mollusk, that lacks a backbone or spinal column.
无脊椎动物：缺少脊骨或脊柱的动物，例如昆虫或软体动物