alternating

动词 alternate:

1. go back and forth; swing back and forth between two states or conditions
   同义词：alternate, jump
2. exchange people temporarily to fulfill certain jobs and functions
   同义词：alternate
3. be an understudy or alternate for a role
   同义词：understudy, alternate
4. reverse (a direction, attitude, or course of action)
   同义词：interchange, tack, switch, alternate, flip, flip-flop
5. do something in turns
   同义词：alternate, take turns

形容词 alternating:

1. (of a current) reversing direction
2. occurring by turns; first one and then the other
   同义词：alternate

1. A movement from and back to a mean position or axis in an oscillating or alternating motion.
   移动从中间位置或轴线向外或向后的振荡或依次的运动
2. A device used to convert direct current into alternating current.
   反用换流器用于变直流电为交流电的仪器
3. A pattern of drumbeats characterized by four basic beats and alternating left-handed and right-handed strokes on the successive primary beats.
   击鼓声(咚哒咚咚)一种有四个基本鼓点且第二个鼓点从左手换到右手的鼓击形式
4. Characterized by or exhibiting an alternating upward and downward movement.
   一上一下的上下的交互运动为特征的或表出现上下的交经运动的