n.候补，代替者，代理人
v.(使)交替，(使)轮流
adj.交替的，轮流的，间隔的，每隔(…天等)的

原形：alternate第三人称单数：alternates过去式：alternated过去分词：alternated现在分词：alternating

Alternate spelling for disk.
术语disk(磁盘)的另一种拼写形式。
They will alternate in doing this job.
他们轮换着做这件工作。
The volume seems to alternate between very loud and very soft.
音量似乎会在大声和柔声之间轮流转变。
She took the alternate route to avoid the traffic jam.
她选择了另一条路以避开交通堵塞。
He was chosen as an alternate for the soccer team.
他被选为足球队的替补队员。
The alternate ending left many viewers wanting more.
备选结局让许多观众意犹未尽。
In case of rain, we'll have an indoor alternate activity planned.
如果下雨，我们会有室内备用活动安排。
She switched careers from law to become an alternate news anchor.
她从法律转行成为新闻主播的替补。
He filled in as an alternate when the main speaker couldn't attend.
当主讲人不能出席时，他临时充当替补。
They had to use the alternate power source after the main generator failed.
主发电机故障后，他们不得不使用备用电源。
The alternate universe theory suggests there could be multiple realities.
多元宇宙理论提出可能存在多个平行世界。
The alternate version of history often tells a different story than the mainstream one.
另一种历史版本常常与主流版本讲述的故事不同。
She was an alternate delegate at the international conference.
她是国际会议的替补代表。