Bipedality
双足
🗣️ 情景例句
They quarreled with each other but soon made up.
他们吵了一架，但很快就言归于好。
Don't tell anyone!
不要告诉别人喔！
It looks like a chicken. But I don't think chickens can swim.
看起来像只小鸡。不过我认为小鸡不会游泳啊！