HSK 3
Zhè zuò qiáo de gòuzào hěn tèbié.
The structure of this bridge is very special.
HSK 4
Dìqiú de nèibù gòuzào fēnwéi jǐ céng.
The internal structure of the Earth is divided into several layers.
HSK 7-9
Réntǐ de gòuzào fēicháng fùzá.
The structure of the human body is very complex.
