Pinyin/Vertebrate
A vertebrate is an animal with a backbone. It is a branch of chordates. In general, the body shape of a vertebrate is symmetrical. Its body is divided into 3 parts: the head, the trunk, and the tail. Its trunk is divided by the diaphragm into the chest and abdomen. Vertebrates have excellent sense organs, motor organs and highly differentiated nervous system. Vertebrates Include fish, amphibians, reptiles, birds, mammals, and etc.
Jǐzhuīdòngwù shì yǒu jǐzhuīgǔ de dòngwù. Tā shì jísuǒdòngwù de yīgè fēnzhī. Jǐzhuīdòngwù yībān tǐxíng zuǒyòu duìchèn. Tā de shēntǐ fēnwéi 3 gè bùfèn: tóubù, qūgàn, wěibā. Tā de qūgàn bèi hénggémó fēnchéng xiōngbù hé fùbù. Jǐzhuīdòngwù yǒu bǐjiào wánshàn de gǎnjué qìguān, yùndòng qìguān hé gāodù fēnhuà de shénjīng xìtǒng. Jǐzhuīdòngwù bāokuò yúlèi, liǎngqīdòngwù, páxíngdòngwù, niǎolèi hé bǔrǔdòngwù děng.