alternation
柯林斯词典
1. N successive change from one condition or action to another and back again repeatedly 交替
返回 alternation
alternation /ˌɔːltəˈneɪʃən/
剑桥词典
- a situation in which one thing repeatedly happens or exists after another
轮流，交替
Flowers and trees are planted to produce an attractive alternation of light and shade in the garden . 种植鲜花与树木以期在花园里营造光影婆娑的动人景致。 返回 alternation