词典释义：
a ball of packed snow, especially one made for throwing at other people for fun
雪球。
〈喻〉 （尤指强度或重要性方面）滚雪球般增长的事物
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[as modifier]
the bustle has a snowball effect on the day's turnover .如潮的人流使日营业额像滚雪球般地增长。
a dessert resembling a ball of snow, especially one containing or covered in ice cream
似雪球的甜点（尤指含有或浇上冰激凌的甜点）。
a cocktail containing advocaat and lemonade
（含荷兰蛋酒和柠檬汁的）鸡尾酒。
[with obj.]throw snowballs at
向…扔雪球
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I made sure the other kids stopped snowballing Celia .我设法确保别的孩子不再向西莉亚扔雪球了。
[no obj.]increase rapidly in size, intensity, or importance
（在大小、强度、重要性方面）迅速增长
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the campaign was snowballing .竞选运动正在日益升温。
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a snowball's chance （in hell ）informal no chance at all 〈非正式〉 毫无希望the scheme has a snowball's chance in hell of being accepted ． 这个计划根本就没有希望被采纳
