NEWSDESK
Who would swim here?
这场游泳比赛好艰辛，泥泞满身，还要带呼吸管。
This swimming competition was different from any other.
People swam in a bog (沼泽)! They wore snorkels (呼吸管) so they could breathe.
- 对本期电子报订户、有效期内的VIP教师会员和本学期初一尊享卡用户，我们开放所有内容：
- 如果您拥有以上权限，请点这里登录；
- 订阅电子报，请点这里；
- 激活VIP教师卡，请点这里；
- 激活21英语尊享卡，请点这里。
