你可以问 "How many balls are there?" 来询问有几个球。例如：
"Excuse me, how many balls are there in the box?" (打扰一下，盒子里有几个球？)
你也可以用其他词汇来描述球，例如 "spheres" 或 "balls"，来构成不同的问句。例如：
"Can you tell me the number of spheres in the bag?" (你能告诉我袋子里有几个球吗？)
"I'm trying to count the balls, but I can't see them all. Do you know how many there are?" (我在数球，但是我看不到所有的。你知道有几个吗？)
"Excuse me, how many balls are there in the box?" (打扰一下，盒子里有几个球？)
你也可以用其他词汇来描述球，例如 "spheres" 或 "balls"，来构成不同的问句。例如：
"Can you tell me the number of spheres in the bag?" (你能告诉我袋子里有几个球吗？)
"I'm trying to count the balls, but I can't see them all. Do you know how many there are?" (我在数球，但是我看不到所有的。你知道有几个吗？)