1·There is a red seesaw in the park.
公园里有个红色的跷跷板。
2·You can see a seesaw in it.
在花园里，你可以看到一个跷跷板。
3·Do you have a swing, a slide or a seesaw on your playground?
你的操场上有秋千、滑梯或者跷跷板呢？
4·The "seesaw" brought cycles of intensely cold winters and easterly winds, then switched abruptly to years of heavy spring and early summer rains, mild winters, and frequent Atlantic waves.
这个“跷跷板”带来了极度寒冷的周期性的严冬和东风，然后突然转换成多年的阴沉春季、过早降雨的夏季和温和的冬季，以及频繁的大西洋海浪。
5·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。