前后摇摆 meaning in English

pitching

The swings back and forth
秋千前后摇摆。
But then he couldn ' t . - what does he have ? one of those tandem things
但后来他不能来了他有什么？一种前后摇摆的东西？
- but then he couldn ' t . - what does he have ? one of those tandem things
但后来他不能来了他有什么？一种前后摇摆的东西？
This ride provides a rotation movement . as the ride starts , the gondola rocks back and fourth then under gravity , rotates 360 degree
这一游乐设施做的是旋转运动。随着游乐设施的启动,吊臂便前后摇摆起来,随后在地心引力作用下,回旋360度。