去年暑假，我去学游泳，那是很难忘也很有趣的一件事。

Lastsummer holiday, I learned to swim. It was very unforgettable and interesting.

youdao

去年暑假，我去学游泳，那是很难忘也很有趣的一件事。

Lastsummer holiday, I learned to swim. It was very unforgettable and interesting.

youdao