English-Hanzi/Invertebrate

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Invertebrate is a kind of animal that does not have a spinal column or backbone. It is the opposite of vertebrate, that means if an animal is not a vertebrate (fish, reptile, amphibian, bird, or mammal), it is an invertebrate.

无脊椎动物 是 一种 没有 脊柱 或 脊骨 的 动物。这 与 脊椎动物 相反,这 意味着 如果 动物 不是 脊椎动物(鱼类,爬行动物,两栖动物,鸟类 或 哺乳动物),它 就是 无脊椎动物。