https://padlet.com/Shen_wenwen/5C_activity2 请把所完成的Powerpoint截图，放在这里与大家分享。 en-us 2017-11-10 13:24:14 UTC 2025-12-02 22:46:18 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Shakinghands.png Shen_wenwen https://padlet.com/Shen_wenwen/5C_activity2/wish/205863570  爱护牙齿宣传单]]> 2017-11-11 08:29:22 UTC https://padlet.com/Shen_wenwen/5C_activity2/wish/205863570