在加拿大Calgary機場候機廳見過固定自行車可以發電給手機充電, 既消磨時間, 又煆練身體, 還給手機充了電.

來源: 選民於 2022-12-23 07:58:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

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