石数是印刷用语，指石印时代对印刷数量的称谓。
这个大峡谷之州每一个车牌照都提醒我们：水改变了世界面貌，像使桃子开裂一样水劈开了石漠，留下了若干个色彩各异的数英里深的裂缝。
In the Grand Canyon State, every license plate reminded us that water changes the face of the land, splitting open rock desert like a peach, leaving mile-deep gashes of infinite hue.
苗先生一周探望她两次。数星期前，他带了一些零食和一袋石滚蛋。
Mr. Miao visits her twice a week. A few Saturdays ago, he came with snacks and a plastic bag stuffed with hard-boiled eggs.
你瞧，石油储备区可能延绵数英里，但是当钻头垂直钻入时，油井只能开采到附近区域的一点石油。
You see, oil deposits can stretch for miles - but when a drill went straight down, the well was only tapping oil from the immediate vicinity.
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