This isn't to say that Endotherms don't also have some variability in their body temperature.

并不是说恒温动体温也没有变化。

She added that this kind of growth has long been considered special to warm-blooded animals like mammals and birds.

她补充说，长以来，种生长一直被认为是哺乳动和鸟类等恒温动所特有。

In the end the answer whether dinosaurs were ectotherms or endotherms is much more complicated than it seems.

最后，恐龙是变温动还是恒温动答案比看起来要复杂得多。

Besides, the reading passage states that dinosaurs had legs that were underneath the body, which is the feature of endotherms.

此外，阅读文章指出恐龙腿在身体下方，是恒温动特征。