The bird is in the tree.

鸟在树上。 bird 作主语，是主格。

youdao

I can see a tree and not have to name it, I can see a bird and really see it, I can see the sky and see that it is much more than the word sky in my mind, I experience it as it is.

我看见了一棵树而不必叫出它的名称，我能看见一只小鸟并且真的看见了，我能看见天空并且在脑海里看见了比天空这个词汇多得多的内容，我感受着它本来的样子。

youdao

The bird is singing in the tree.

那只鸟正在树上唱歌。

youdao

The bird is singing in the tree.

那只鸟正在树上唱歌。

youdao