Human beings used stone chips for more than two million years, but human life changed very little in that time.
人类使用石屑超过二百万年,但在那段时间里,人类的生活几乎没有改变。
Concrete is also from Latin but instead of meaning stone chips or dust, the parent word for concrete holds a meaning of growing together.
混凝土这个词也来自拉丁语,但它的意思不是碎石或者灰尘,这个词的原型有“长合,混合”的意思。
What can I use to add extra protection against stone chips?
我能使用什么去增加额外的保护来抵挡石头碎片?
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