The children were rolling a snowball along the playground.

孩子们正在操场上滚动雪球。

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Parade car snow-white snow-white, open up, like a huge, rolling a snowball.

一辆辆车雪白雪白的，开起来，就像一个正在滚动的巨大的雪球。 。

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We are rolling a snowball, saving up for a big bang release at some hypothetical point in the future when all stories are complete (if that ever happens).

这样实际上是在滚雪球，期望在未来某个假设的时间点上所有的故事都可以完成(如果这样的情况真的能够发生的话)，而且可以进行一次大规模的发布。

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Also, once you get the fear snowball rolling, it does have a tendency to build on itself.

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Once the snowball starts rolling, it picks up speed a frightening pace.

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