英语语法分析

I could not get a satisfactory explanation from Carnivora.

我不能从第肉食得到理解进行的说明。

In contrast, Carnivora, the larger family in which domestic dogs belong, dates back at least 60 million years.

相比较而言，食肉性动物- - -驯养狗所属的更大的家族，它们的出现则可追溯到至少6000万年以前。

They did have the carnassial teeth that distinguish the Carnivora, a pair of sharpened cheek teeth that are aligned so as to work like shears in slicing meat off bone;

它们已经有了食肉动物特有的裂齿，一对尖利的长在面颊部位的牙齿，能象大剪刀一样把肉从骨头上切割下来。