Not to grieve a kind master, I learned to be less touchy; and, for the space of half a year, the gunpowder lay as harmless as sand, because no fire came near to explode it.
我不要让一位仁慈的主人难过，我就得学着克制些。 而且，有半年时间，这火药像沙土一样地摆在那儿并没引爆，因为没有火凑近来使它爆炸。
Some even have laboratory, technical personnel's knowledge of artificial can not adapt to the present situation is the master and correct use of sand.
有的即使有实验室，技术人员的知识现状也不能适应对人工砂的掌握与正确使用。
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