They go to the park. They like the park. The park has a playground. The playground has a slide. They slide down the slide. The playground has a sandbox. They play in the sand. The playground has a seesaw. They go up and down on the seesaw. The playground has swings. They swing on the swings.
他们去公园。他们喜欢公园。公园里有一个操场。操场上有一个幻灯片。他们滑下滑梯。操场上有一个沙箱。他们在沙滩上玩。操场上有一个秋千。他们在跷跷板上升和下降。操场上有波动。他们荡秋千。
