BBC9 个月
Design and Technology KS2: What makes an ostrich such a fast runner?
ANDY TORBET:That's world-class sprint speeds. 'For a human maybe, 'but an ostrich could run the same distance in half the time.' ANDY TORBET:To go even faster, I found a piece of technology that's ...
JSTOR Daily8 年
On the Anatomy of the Ostrich (Struthio camelus)
The Artstor website will be retired on Aug 1st. Proceedings of the Royal Irish Academy (... Proceedings of the Royal Irish Academy (1836-1869) Vol. 9, 1864 - 1866 On the Anatomy of the Ostrich ...