我正在公园里玩跷跷板。

I'm playing on the seesaw.

youdao

我看见那个女孩正在公园里玩。

I saw the girl playing in the park.

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今天是一个阳光明媚的日子，小鸟在歌唱，我也在歌唱。当我到公园的时候，我看见一些女生正在玩游戏，所以我也加入到她们的行列。我们玩的非常高兴。然后，我和我的朋友们共进午餐。我们今天过得非常愉快，今天真是一个快乐的一天！

It's a sunny day, the bird is singing, I'm singing too. When I get to park, I see some girls are playing games, so I join them. We play very happy. Then I have lunch with my friends.

youdao