seesaw

US /ˈsiː.sɑː/
UK /ˈsiː.sɑː/
"seesaw" picture
1.

跷跷板

a long plank balanced on a fixed support, on which two children sit at opposite ends and move up and down by pushing off the ground with their feet

:
•
The children laughed as they played on the seesaw.
孩子们在跷跷板上玩耍时笑了。
•
We need to fix the broken seesaw in the park.
我们需要修理公园里坏掉的跷跷板。
:
teeter-totter
1.

玩跷跷板, 摇摆

to move up and down on a seesaw

:
•
They spent the afternoon seesawing in the playground.
他们下午在操场上玩跷跷板。
•
The boat began to seesaw wildly in the storm.
船在暴风雨中开始剧烈地摇摆。
:
teeterwobblefluctuate
2.

摇摆不定, 波动

to alternate between two states or positions

:
•
His emotions seesawed between hope and despair.
他的情绪在希望和绝望之间摇摆不定。
•
The stock market continued to seesaw throughout the day.
股市全天持续波动。
:
fluctuateoscillatewavervacillate