The central nervous systeM consisted of brain, suboesophageal ganglion and ventral nerve-cord, and the differentiations aMong protocerebruM, deutocerebruM and tritocerebruM were obvious.
其中枢神经系统
、
管下神经节、腹神经索组
，前、中、后分化明
。
The central nervous systeM consisted of brain, suboesophageal ganglion and ventral nerve-cord, and the differentiations aMong protocerebruM, deutocerebruM and tritocerebruM were obvious.
其中枢神经系统、管下神经节、腹神经索组，前、中、后分化明。
声明：以上例句、词性分类均
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