Then I charged to the building's stairs, " Fan said, adding that he was the first person to emerge from the school on to the soccer pitch.

然后我就冲向了楼梯”，范这样说。 他还补充说，他是学校里第一个冲到操场上的人。

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"Did I tell you about the time..." I'd start of innocently, indicating my innocence by adding a high pitch to my voice.

“我有没有告诉过你我有一次……”我会很自然地开始说故事，为了表明这不是事先准备好的，我会故意在说话的时候提高音调。

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This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurring ability of coal on adding petroleum pitch.

主要介绍了石油沥青水煤浆添加剂的制备和在煤中掺入石油沥青的制浆性能。

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