英语语法分析

The pterosaur trackway is quadrupedal, with wide gauge.

翼龙足迹为四足行走，行迹宽。

Was an immensely long, quadrupedal plant - eater. It had the longest neck of all known dinosaurs.

是巨型的四脚素食恐龙，它的脖子是已知恐龙中最长的。

In this new position, our innards were not as well supported as they had been in our quadrupedal ancestors.

在这种情况下，我们的内脏就不会像我们祖先那样被很好地支撑住。