play on a teetertotter 玩跷跷板
sit on a teetertotter 坐跷跷板
teeter back and forth 来回摇摆
balance on a teeter-totter 在跷跷板上保持平衡
children's playground 儿童游乐场
rock up and down 上下摇动
1. The children are playing on the teetertotter in the park.
孩子们在公园里玩跷跷板。
2. He sat on one end of the teetertotter waiting for his friend.
他坐在跷跷板的一端等他的朋友。
3. The teetertotter moved up and down as they played.
跷跷板随着他们的玩耍上下移动。
4. Their relationship felt like a teetertotter of emotions.
他们的关系像跷跷板一样充满情绪起伏。
A: Do you want to try the teetertotter at the playground?
A：你想去游乐场玩跷跷板吗？
B: Yes, let’s go before it gets dark.
B：想，我们天黑前去吧。
1) 儿童游乐设施中的跷跷板
2) 比喻上下波动或不稳定状态
3) 表示两端交替升降的结构或现象
1. 跷跷板
e.g. The kids took turns on the teetertotter. 孩子们轮流玩跷跷板。
noun
1. A playground device consisting of a balanced board that goes up and down as children sit on either end.
Synonym: seesaw, balance board