seesaw

Think of it like a seesaw -- neither side is touching the ground because the weight on each side is identical..把它想象成一个跷跷板——任何一边都不会碰到地面，因为两边重量是相等的。

Take a run or a bike ride to a local park with your child.At the park, you can take time to relax while your child plays in the sandbox or on the seesaw..跟孩子一起跑步或骑车前往当地的公园，在那里，孩子可以享受沙坑或跷跷板带来的乐趣，而你也可以好好放松自己。

They have a children’s playground and facilities such as swings, slides, seesaw and skating rink..他们有儿童操场和各种设施，比如秋千、滑梯、跷跷板和溜冰场。