圆的英文是 "round"。这个词来源于古拉丁文 "rotundus"，意思是 "圆的"。
一些例句：
The Earth is round. (地球是圆的。)
She has a round face. (她有一张圆脸。)
He picked up the round object and threw it. (他捡起那个圆物体并扔了出去。)
一些例句：
The Earth is round. (地球是圆的。)
She has a round face. (她有一张圆脸。)
He picked up the round object and threw it. (他捡起那个圆物体并扔了出去。)