teetertotter

1. 跷跷板：teeterboard 跷跷板 | teetertotter 跷跷板 | teeth and nail 竭尽全力地

2. 上下动：teeter 摇摇欲坠 | teetertotter 上下动 | teethe 长牙齿

3. 跷跷板/上下动：teeterboard /跷跷板/ | teetertotter /跷跷板/上下动/ | teeth /牙齿/

teetertotter的近义词

1. Making the steel plate fasten to the airproof ring tightly, so the plank will not teetertotter while meeting strong wind
    使压型钢板紧固于密封圈，遇强风时压型板不上下晃动。

2. The results indicate that: siphon effect mainly supplies the matter and energy transformations, connected vessels effect is to start vertical movement、excitated gravity wave probably and produce phenomena of teetertotter, while narrow pipe effect is to increase velocity.
    结果表明，河西走廊连通器的虹吸效应主要是传输各种物质和能量，连通器效应是产生垂直运动、激发重力波和产生翘翘板现象，而狭管效应主要是增强风速。

3. Two people balance on a teetertotter more commonly than just one (in the middle of the board), and sometimes two may swing together with one seated and the other standing and " pumping ";
    两个人坐跷跷板比一个人玩更普遍（一个人坐在翘翘板中间），有时两个人一起玩时，一头坐，另一头站，“上下摆动”；

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4. Two people balance on a teetertotter more commonly than just one (in the middle of the board), and sometimes two may swing together with one seated and the other standing and " pumping ";
    两个人坐跷跷板比一个人玩更普遍（一个人坐在翘翘板中间），有时两个人一起玩时，一头坐，另一头站，“上下摆动”；

5. The results indicate that: siphon effect mainly supplies the matter and energy transformations, connected vessels effect is to start vertical movement 、 excitated gravity wave probably and produce phenomena of teetertotter, while narrow pipe effect is to increase velocity.
    结果表明，河西走廊连通器的虹吸效应主要是传输各种物质和能量，连通器效应是产生垂直运动、激发重力波和产生翘翘板现象，而狭管效应主要是增强风速。

noun

verb