Wɔahunu nneɛma a ɛhyɛ mmoa a wɔnante wɔn nan mmienu so no nsow wɔ Australopithecus funu nkaeɛ a wɔatutu ahu no mu firi mfeɛ ɔpepem 4.2-3.9 a etwam nie, ɛmfa ho sɛ ɛbɛyɛ sɛ Sahelanthropus no firii aseɛ nantee wɔ wɔn nan mmienu soɔ bɛyɛ mfeɛ ɔpepem nson mmerɛ no mu no. The previous text is in Akan. Here is a translation to Chinese (Traditional):
在 420 至 390 萬年前的南方古猿化石中發現了雙足運動的特性，儘管查德人猿可能早在七百萬年前就已用雙足行走。