经典句子：

Don't play ball indoors. 不要在室内玩球。
Let's go downstairs. 我们下楼吧。
Toss the ball in the air.把球扔到空中。
Catch it when it falls back down.落下来的时候接住球。
I've lost my ball. 我把球丢了。
Don't cry. It's in the tree.别哭了。它在树上。
You threw the ball just a bit too high.你只是把球抛的有点高了。
I will throw the ball. 我来抛球。
Stretch your arms and catch it. 伸开胳膊接球。
Oops, I missed it. 噢，我没接住。
Try again. Throw it towards mommy. 再试一次。朝着妈妈扔。
Throw it hard. 用力扔。 The ball has gone too far.球跑太远了。
Go and Pick it up.去把它捡起来。Good catch.接得好。
The ball hit me in the face. 球打到我脸了。
Roll the ball in my direction. 朝着我这边滚球。
No kicking. It may crash through the window.
不要踢，会打破窗户的。
Push the ball towards the ground and it will bounce back up.
用力向地上拍，它会自己弹起来。
I happened to drop it. 我一不小心把它掉了。
Pass it to me. 把它递给我。