The museum tour guide explained that ostriches are the fastest bipeds on the planet.

博物館導覽員解釋說，鴕鳥是地球上跑得最快的兩足動物。

Our engineering team is designing a delivery robot that walks like a biped.

我們的工程團隊正在設計一款像兩足動物一樣行走的送貨機器人。

The zoo's marketing email featured a new exhibit on early human bipeds.

動物園的行銷電子郵件介紹了一個關於早期人類兩足動物的新展覽。