@七朱八白:Dear Elmer - We'd both like to take the opportunity to thank you for the wedding present you sent us. It was lovely and I know we'll put it to good use. Sincerely, Richard & Arline

费曼Bongo
21-12-25 12:58 微博认证:科学科普博主 超话主持人(理查德费曼超话) 微博译制视频博主