数值等于7；在六之后八之前的数字。表示有七个元素的组或集合。
数值等于7；在六之后八之前的数字。表示有七个元素的组或集合。
数值等于7；在六之后八之前的数字。表示有七个元素的组或集合。
A numerical value equal to 7; the number following six and preceding eight. This many dots: (•••••••). Describing a group or set with seven elements.
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