下載App 公眾號(hào) 登錄

<Inside-out Skeletons> 書(shū)評(píng)

2017-05-25
It talks about what is the exoskeletons, it used for protecting.Also I learnt the exoskeleton has a layer of wax that stops water from getting in and out of the animal's body.
Inside-out Skeletons
作者:Lynda Nunweek
出版社:Scholastic
ISBN:9781741696707