對我不是拋物線，N 形線。肯定是千奇百怪的各種曲線都有。都是有各自的曲折。不過，終點都一樣

來源: oryzivore 於 2024-10-11 16:13:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

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