除此之外，当咖啡渣生产出的燃料在引擎内燃烧后不会产生刺激性的气味——仅仅有一点咖啡的味道。
Moreover, when run in an engine the fuel does not have an offensive smell—just a whiff of coffee.
这些矿点位于村子中部，孩子们在废石和尾渣上玩耍。
The mines are located in the middle of villages, and children are playing on the waste rocks and tailings.
成长不就是踩着玻璃渣一点一点的走吗应该磨掉棱角学会礼貌微笑了。
Growth is not a step on the glass to the point of the walk you should wear off the edges and corners of the society polite smile.
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