"玻璃球"用英语读作"glass ball"。
来源: "glass" 是英语中的玻璃的意思，而 "ball" 是英语中的球的意思。
例句:
She was holding a beautiful glass ball.
(她正拿着一个漂亮的玻璃球。)
The glass ball was filled with water and colorful fish.
(玻璃球里装满了水和五颜六色的鱼。)
He was fascinated by the way the pght shone through the glass ball.
(他被玻璃球照出来的光线吸引了。)