alternation
柯林斯詞典
1. N successive change from one condition or action to another and back again repeatedly 交替
返回 alternation
alternation /???lt??ne???n/
劍橋詞典
- a situation in which one thing repeatedly happens or exists after another
輪流，交替
Flowers and trees are planted to produce an attractive alternation of light and shade in the garden . 種植鮮花與樹木以期在花園里營(yíng)造光影婆娑的動(dòng)人景致。 返回 alternation