This included an array of gram-negative bacteria species, as well as Streptococcus spp.

这包括革兰阴性菌种系列，以及链球菌属。

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The Streptococcus spp. population in the sand "exploded" during the late summer, even though at that time the sand had been removed from the dairy for three to four months.

沙子中的链球菌属种群在夏末“爆发”，尽管当时沙子已经从奶牛场移除了三到四个月。

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