謝支持！類似於坐在汽車有彈簧靠背的座上，彈簧稍微受到壓縮。加速前進，壓縮更多，直到彈簧無法壓縮。

來源: 皆兄弟也於 2010-10-17 12:17:57 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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