This 15-meter-long dinosaur was even longer than T-rex, with short muscular hind legs, a flexible tail, and broad feet.

这种 15 米长的恐龙甚至比霸王龙还长，后腿短而肌肉发达，尾巴灵活，脚宽大。

Then she twisted round and around, tamping the earth with her broad webbed feet, hollowing it out to make it like a saucer.

然后，她又来回转着，用她那宽阔带蹼的脚掌把泥土踩实，将其踏出坑来，使之像个盘子。