alternate
[ɔ:l'tə:nit,'ɔ:ltə:neit]
v.交替, 轮流
adj.间隔的, 轮流的, 交替的
n.代替者, 供替代的选择
例句与用法：
She gets Saturdays off in her new job as against working alternate weekends in her last one.
她新找的这份工作星期六放假，而原来的那份工作周末是隔周放假。
We alternate in doing the housework.
我们轮流做家务。
Meetings are held on alternate Thursdays.
每隔一个星期的星期四举行一次会议。
Sunny weather alternated with rain.
天气晴雨相间。
词形变化：
副词: alternately | 名词: alternateness | 动词过去式: alternated | 动词过去分词: alternated | 动词现在分词: alternating | 动词第三人称单数: alternates |
详细释义：
a.
1. (两个)交替的, 轮流的
According to the weather forecast, there will be a week of alternate rain and sunshine.
根据天气预报, 下礼拜时雨时晴。
2. 间隔的
They saw each other on alternate Sundays.
他们每隔一个星期天相会一次。
3. 供选择的; 供替换的[B]
n.
【美】代理人; 代替者; 候补者[C]
We have several alternates on our team.
我队有几名替补队员。
vt.
使交替, 使轮流[(+with)]
Our boss alternates kindness with severity.
我们的老板时而和蔼, 时而严厉。
vi.
交替, 轮流[(+with/between)]
For the next few days he alternated between hope and fear.
其后几天中他时而满怀希望, 时而充满恐惧。