We think about the evolution of bipedalism as one of first events that led hominids down the path to being human.
雙腿直立行走的進化是原始人向人類進化的最初階段中的一步.
《簡明英漢詞典》
Bipedalism made the human form of birth possible.
直立行走讓人類的出現(xiàn)成為可能.
互聯(lián)網(wǎng)
"bipedalism made the human form of birth possible"