从赫托收集的很多哺乳动物骨骼上都有石制工具留下的切痕，但我们不知道这些动物是被赫托人猎杀的还是被其他食肉动物杀死后留给赫托人的残羹冷炙。
Many of the mammal bones collected from Herto bear cut marks from stone tools. It is impossible to say, however, whether the people were hunting the animals or scavenging the kills of other predators.
使用橡皮擦工具，擦除一点划痕的边缘，这样它不会显得太粗糙。
Take the eraser tool and wear down the edges of the scratches just a bit, so it's not so harsh.
要小心使用剪刀、针、小刀或者其他工具，避免割伤和割痕。
Take care to avoid cuts or nicks from scissors, needles, knives or tools.
凿痕好看工具条，并明确的内容区域，方便阅读突出。
Chiseled nice looking sidebars, and clear-cut content area highlighted for easy reading.
凿痕好看工具条，并明确的内容区域，方便阅读突出。
Chiseled nice looking sidebars, and clear-cut content area highlighted for easy reading.
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