alternation
n. 交互；轮流；间隔
近义词：change，interchange，repetition，rotation，fluctuation，vacillation，oscillation，swing，
英英释义
Noun
- successive change from one thing or state to another and back again;
"a trill is a rapid alternation between the two notes"
例句
用作名词(n.)
- We are conscious of the alternation of seasons.我们意识到季节的交替。
- There is high alternation and more adaptability in programming by OOD.使用OOD又使程序设计交互性强，适应性好，取得了双赢的效果。
- There is an alternation of black and white stripes in that cloth.那匹布黑白条纹相间。