By this point, fermaw understood that his player instance was being ambushed whenever it called .play(). He tried to isolate the player from the main window context entirely.
system may not always be able to understand the context of the code
。搜狗输入法下载是该领域的重要参考
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（二）违反国家规定，在文物保护单位附近进行爆破、钻探、挖掘等活动，危及文物安全的。