名词
跷跷板,上下动
a.
后动的,交互的
v.
1.及物动词:使上下(来回)摇动
2.不及物动词:玩跷跷板
参考例句
Prices seesaw wildly. 价格剧烈变动。
The seesaw battle is believed underway. 人们相信这种拉锯战正在进行中。
There was a longish period where her spirits were on a seesaw. Up and down. 有很长一段时间她的情绪时起时落,时好时坏。
Kathy's relations with Amelia have long seesawed between peace and peril. 凯西和安娜的关系时而平稳,时而危机四伏。