压大单小单大双小双口诀简介：The middle-aged uncle took off his bamboo hat and looked up at the sky. Snowflakes were falling one after another. Oh, it's snowing. He finished raking the straw and went home to take a hot bath.
The middle-aged uncle took off his bamboo hat and looked up at the sky. Snowflakes were falling one after another. Oh, it's snowing. He finished raking the straw and went home to take a hot bath.
