跷跷板a piece of equipment for children to play on consisting of a long flat piece of wood that is supported in the middle. A child sits at each end and makes the see-saw move up and down.
2.
[sing]
拉锯局面(指来回往复,起伏不断)a situation in which things keep changing from one state to another and back again
v.
1.
[i]
~ (from A to B)
(局势、意见、感情等)摇摆不定,不断反复,交替to keep changing from one situation, opinion, emotion, etc. to another and back again
Her emotions see-sawed from anger to fear.
她一会儿气,一会儿怕,情绪变来变去。
Share prices see-sawed all day.
整整一天,股票价格时涨时跌,不断变化。
n.
1.
上下运动的
1.
跷跷板
牛津小学英语5A单词、词组、句型小结_百度文库 ... slide 滑梯;滑道 see-saw跷跷板(游戏) street 街道 三会词组: ...