The horse has six sharp cutting teeth in the front of each jaw.

马上下腭前面, 各有六颗锋齿。

Recent analyses by paleontologists have identified a possible Diprotodon represented in the rock art of Arnhem.

古生物学家最近分析确定了阿纳姆岩石艺术中可能出双齿龙。

The cow takes the grass between this pad and her front teeth and tears it off. Then she swallows the grass without chewing it.

牛把青草咬在齿垫和下齿中间, 撕下来, 然就把草吞了下去。

Like other megafauna, Diprotodon left no fossils to prove its existence in northern Australia, but based on the variation in the isotope signatures of its incisors, researchers think they migrated.

与其他巨型动物一样， 双齿兽没有留下任何化石来证明它在澳大亚北部存在，但根据其齿同位素特征变化，研究人员认为它们迁移了。