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HTMLMediaElement: srcObject property — MDN Web Docs

a host computer that is some distance away or, even worse, in The Cloud.

，更多细节参见51吃瓜

posToTime.set(pos, time);

戰機發動攻擊時，佛羅里達州海湖莊園正值深夜，美國總統特朗普與部分高層官員聚集於此監察事態。