In the mineral table of hardness, it has a rating of 8, which means that a knife cannot cut it, and that topaz will scratch quartz.

在矿石硬度表上，它的硬度为8，这表明刀子不能割开它而它可在石英上划痕。

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The hotel sign on the semi-cut trigger the appropriate position in the cardboard and then covered with a cut, so as not to scratch the plating surface of the hotel sign.

把酒店标牌半成品放在剪扳机的合适位置， 外地标识牌设计在上面盖一张纸板后再剪切，以免把酒店标牌表面的电镀划伤。

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The semi - finished products on the appropriate position of the trigger, in the above cover a piece of cardboard and then cut, to avoid the appearance of the plating scratch marks.

把标牌半成品放在剪扳机的适宜方位，在上面盖一张纸板后再剪切，避免把标牌外表的电镀划伤。

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"Songs of Patience" is the first album they've cut from scratch: "Broken Side of Time" included two songs from a prior EP.

WSJ: Alberta Cross | On the Road Again | By Jim Fusilli

The parasites can then enter your body through your eyes, mouth, a cut or scratch, or the wound from the bug's bite.

CNN: Chagas disease

An animal scratch, bite or a cut during butchering may have been how HIV spread into people from chimps many decades ago.

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