al·ter·nate¹/`ɔltənɪt; ɔːlˈtɜːnɪt/ adj 1 happening in a regular way, first one thing, then the other thing, then the first one again 交替的,轮流的: alternate rain and sunshine 时雨时晴 2 alternate days/weeks/Mondays etc every second day, week etc 隔天/隔周/隔个周一等: My ex-husband has the children on alternate weekends. 我前夫隔个周末与孩子见面。 3AmE available to be used instead of something or someone else; ALTERNATIVE 【美】 可代替的