不懂4.8秒是个什么概念，能否说明一下，比如爬了多高? 一般业余水平需要几秒？谢谢！

来源: 鲤鱼塘的鱼于 2024-04-12 11:52:42 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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