会员在生日月份内，可获赠2磅生日蛋榚或300元现金券。

ONE 2LB birthday cake or $300 cash coupon will be given on your birthday month.

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所以火星的千层榚地貌，很可能是古湖或古海沈积物所形成的沈积岩。

Likewise, the layered beds on Mars may be sedimentary rock formed in ancient lakes and seas.

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