scratch鼠标框选功能演示_哔哩哔哩_bilibili

Name: scratch%E9%BC%A0%E6%A0%87%E6%A1%86%E9%80%89%E5%8A%9F%E8%83%BD%E6%BC%94%E7%A4%BA
Uploaded: 2025-07-15T09:57:15.448Z
Description: %E7%94%A8scratch%E5%AE%9E%E7%8E%B0%E4%B8%80%E4%B8%AA%E9%BC%A0%E6%A0%87%E6%A1%86%E9%80%89%E5%8A%9F%E8%83%BD%EF%BC%8C%E6%84%9F%E8%A7%89%E7%A6%BB%E7%BA%A2%E8%AD%A6%E6%9B%B4%E8%BF%9B%E4%B8%80%E6%AD%A5%E4%BA%86