alternating
01
交替的, 交变的
(of a current) reversing direction
例子
The weather featured alternating periods of sunshine and rain throughout the week.
本周的天气特点是阳光和雨水交替出现。
The concert had alternating performances by soloists and the full orchestra.
音乐会上有独奏者和完整管弦乐队的交替表演。



























