早上讲课留下的图片，舍不得直接删除，还是编辑一个图文吧。
I can vary the speed.
The tree is varying.
It is dry today.
dry table
The road is miry.
I am on a miry road.
大量造句，才能印象深刻。
早上讲课留下的图片，舍不得直接删除，还是编辑一个图文吧。
I can vary the speed.
The tree is varying.
It is dry today.
dry table
The road is miry.
I am on a miry road.
大量造句，才能印象深刻。