alternate

noun

1. someone who takes the place of another person

Synonym: surrogatereplacement

verb

1. do something in turns

e.g. We take turns on the night shift

Synonym: take turns

2. go back and forth
swing back and forth between two states or conditions

Synonym: jump

3. reverse (a direction, attitude, or course of action)

Synonym: interchangetackswitchflipflip-flop

4. be an understudy or alternate for a role

Synonym: understudy

5. exchange people temporarily to fulfill certain jobs and functions

adj

1. of leaves and branches etc
first on one side and then on the other in two ranks along an axis
not paired

e.g. stems with alternate leaves

2. serving or used in place of another

e.g. an alternative plan

Synonym: alternativesubstitute

1. （使）交替；（使）轮流
When you alternate two things, you keep using one then the other. When one thing alternates with another, the first regularly occurs after the other.

e.g. Her aggressive moods alternated with gentle or more co-operative states...
她情绪多变，时而咄咄逼人，时而又显得温柔平和或乐于合作。
e.g. The three acts will alternate as headliners throughout the tour...
这3个节目将在整个巡回演出中轮流打头牌。

2. 交替的；轮流的
Alternate actions, events, or processes regularly occur after each other.

alternate的解释

e.g. They were streaked with alternate bands of colour.
它们都带有各种色彩相间的条纹。

3. 每隔一（天等）的
If something happens on alternate days, it happens on one day, then happens on every second day after that. In the same way, something can happen in alternate weeks, years, or other periods of time.

alternate什么意思

e.g. Lesley had agreed to Jim going skiing in alternate years.
莱斯莉已同意吉姆每隔一年去滑一次雪。

4. 供选择的；备用的；其他的
You use alternate to describe a plan, idea, or system which is different from the one already in operation and can be used instead of it.

e.g. His group was forced to turn back and take an alternate route.
他的小组被迫返回并选择了另一条路线。
e.g. ...alternate forms of medical treatment.
其他可供选择的医疗方案

5. 代替者；候补者
An alternate is a person or thing that replaces another, and can act or be used instead of them.

e.g. In most jurisdictions, twelve jurors and two alternates are chosen...
大多数辖区都会选出12名陪审员和2名候补陪审员。
e.g. The six food groups include grain products, vegetables, fruits, milk and milk products, meats and meat alternates, and a miscellaneous group.
这6类食物包括谷类产品、蔬菜、水果、牛奶和奶制品、肉类和肉类替代品以及杂类食品。

6. （尤其在美国英语中，当alternative作义项3、4和5解时，代替alternative使用）
Alternate is sometimes used, especially in American English, instead of alternative in meanings 3, 4, and 5.

e.g. ...an alternate lifestyle.
另一种生活方式

1. 替代：HAA 在支援此选项的系统上,高可用性替代 (High-Availability Alternate) 开机路径为主ALT 替代 (ALTernate) 开机路径为通往替代开机来源 (例如磁带机、以网路为基础的开PDC 可使用开机控制台处理程式 (BCH) 设定开机与控制台装置.

2. 交替：.故障开始开关的动作可以在瞬时(momentary)和交替(alternate)之间切换频率、振幅、相位各参数在正常值与故障值之间进行自动扫描. 因为能用解扣(trip)信号的变化来自动停止扫描,所以能轻松获知继电器的动作值/恢复值/最大灵敏度相位值.

3. 互生：叶序基本上有三种类型,即互生(alternate)、对生(opposite)和轮生(whorled或verticillate)(图3-86). 互生叶序是每节上只生1叶,交互而生,称为互生. 如樟、白杨、悬铃木(即法国梧桐)等的叶序. 互生叶序的叶,成螺旋状着生在茎上.

4. 代：可测试最新 3G 手机的通道(primary)功率量测邻近(adjacent)及替代(alternate)通道功率Model 2800 RF 功率分析仪是特别为行动电话、 RFIC功率放大器以及相关RF功率元件的射频(RF)测试需求所设计的仪器,不像一般体积大又昂贵的频谱分析仪,

5. alternate：alt.; 依次的