``` import random import time from datetime import datetime class AudioManager: """音频管理器：负责播放各种声音""" def __init__(self): # 模拟音量大小 (0-100) self.volumes = { "大龙_走路": 60, "大龙_吼叫": 90, "小龙_吃饭": 70, "小龙_跑步": 30, "远古龙_全_特报": 100, "喝水": 40, "环境_风吹草动": 20, "环境_鸟叫": 15, "环境_下雨": 25, "环境_雷声": 80, "雷击_落地": 95,