看看什麼樣才叫塞車.....
Advantages & Disadvantages of Hydrostatic Skeleton | eHow 春節塞到車的人別抱怨了..看看別國的車子是怎麼塞的 A hydrostatic skeleton is one that contains no rigid, hard structures or bones for support, but rather relies on a fluid-filled cavity surrounded by muscles. It is the skeleton adopted by worms, starfish and other invertebrates, and carries with it a numb...
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