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統計： A(9), B(2), C(1), D(7), E(0) #806867

詳解 (共 1 筆)

#1052452

The human endocrine system is a complex series of glands and pathways that help hormones travel from one point in our body to another. Think of these hormones like workers in a tiny 11 postal service.

 

postal 郵政的；郵局的；郵件的；郵遞的

 

 (AD). biological

  
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