- 交替;更迭,轮流(或交替)地做;交替发生;一时…一时…;间隔着穿插 (between,with):
Day alternates with night.
昼夜交替。
She alternated between hope and despair.
她时而充满希望,时而绝望。
Good times alternate with bad.
走好运与倒霉交替发生。
- 依次;轮流:
Helen and her sister will alternate in setting the table.
海伦和她妹妹将轮流摆餐具准备开饭。
My younger sister and I alternated in doing the dishes.
我妹妹和我轮流洗盘碟。
- 定期地交换位置;经常更换住所:
She alternated between New York,Chicago and San Francisco.
她经常在纽约、芝加哥和旧金山轮流居住。
- 【戏剧】(为其他演员)作替角(for):
The star actor was ill, so his understudy had to alternate for him.
这位明星演员病了,因而他的替角必须代他演出。
- 【语言学】(作为异体与另一形式)交替出现
- 【电学】(电流)交流;作交流电运转:
Diodes are electronic devices which rectify alternating current to direct current.
二极管是将交流电整流成直流电的电子装置。