“弹珠”常见的英文表达是 marble,既可以指弹珠这种物品,也可指用弹珠玩的游戏(如marble game)。例如:
I used to collect marbles as a kid.(我小时候收集过弹珠。)
The children were playing marbles in the yard.(孩子们在院子里玩弹珠。)
此外,在特定语境下,也可以用 glass ball(玻璃球)来描述弹珠,但 marble 是更常用、更地道的表达。