Snowflakes come in different sizes. As many as one hundred crystals may join together to form a snowflake larger than two and one-half centimeters.

VOA: special.2010.01.05

They keep attaching and attaching and attaching, but we have two sizes.

它们保持接触，接触，接触，但是具有两种大小。

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But now if you have a twenty-ounce bottle, your cue for when the drinking event ends is completely different than when I was a child, and its two and a half times different then when I was child, and so people have become calibrated to what difference sizes are.

但现在如果你喝了一瓶二十盎司可乐,会觉得现在的饮用量,和我小时候已经完全不同了,是我小时候的2.5倍,人们已经校正了其中差异的大小

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