相反，他说翼龙使用它所有的四肢向前跑动，从而使自己飞到空中。
Instead, he says a pterosaur used all four limbs, leapfrogging forward on its knuckles, to propel itself into the air.
枪声一响，人们从龙形的独木舟上齐力向前划，伴随着鼓声，奋力冲向终点。
As the gun is fired, people will see racers in dragon-shaped canoes pulling the OARS hurriedly, accompanied by rapid drums, speeding toward their destination.
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