很有趣的機関設計This crazy machine can ‘lick’ stamps and envelope flaps using your tears via Joseph's Machines Tags: 5 comments 57 likes 0 shares Share this: Penny玩科學 About author not provided 趣味的科學的世界 讓我們一起張大眼睛來探索吧! 15554 followers 15410 likes "https://www.penny-steam.com/" View all posts