Sent_en: 2zh These structures appear on at least three independent lineages of apes, including gorillas, and they could relate to a dietary shift rather than indicating a new genetic trait, said a Professor at the London Natural History Museum in the United Kingdom, Peter Andrews who also added, "but the fossil evidence for the evolution of our closest living relatives, the great apes, is almost non-existent.
Sent_yy: “这些结构出现在至少三个独立的猿类谱系中，包括大猩猩，这更多的与饮食转变有关，而非新的遗传特性，”英国伦敦自然历史博物馆的教授彼得·安德鲁斯说。他还补充道，“但是，我们最亲近的亲戚巨猿进化的化石证据几乎不存在。”