Long long ago, people have used different kinds of ways to preserve foods, such as airdry, salting, smoking and ot
Voice Recording about "Fruit"
In above three kinds of fruits, I like kiwis most. But in all kinds of fruits, I like cherries most.
Voice Recording about "A bit of geography"
In our country, there are two famous rivers, one is Changjiang River, and the other is Yellow River. And the highe