在 3D 世界里，一个物体 = 几何体 + 材质。
A new feature in the Gemini app will let users hand off multi-step tasks, like ordering a rideshare or building a grocery cart. The feature, which will first arrive in beta, runs in the background while users perform other tasks. Gemini's progress can be monitored live via notifications, so users can see what it's doing and jump in at any time.
，推荐阅读同城约会获取更多信息
await writer.end();。搜狗输入法2026对此有专业解读
* @param arr 待排序数组