"Where is his ball?" in Engpsh.
The phrase comes from basic Engpsh language usage, often used in everyday conversation or in sports contexts.
Examples:
Can you tell me where his ball went? (请问他的球去哪里了？)
The ball rolled under the couch, I wonder where his ball is now. (球滚到沙发下面了，我在想现在他的球在哪里。)