optional
美音:['ɑpʃən(ə)l] 英音:['ɒpʃ(ə)nəl]简单释义:
adj.可选择的;选修的
n.〈美〉选修科
网络非强制的;可选的;可以任选的
完整释义:
adj.
1.可自由选择的;随意的,任意的;非强制的
2.可供选择的
3.选修的
4.任选的
5.可自行决定的
6.非强制性的
7.备用的
n.
1.选择性
2.自选动作
3.〔美国〕选修科
4.任意
例句:
The broker is optional in the base pattern but is often a critical piece in enterprise systems.
在基本模式中代理是可选的但是在企业系统中经常是关键性部件。"Moving three evictions , optional neighbouring states, " the importance of education has always been a traditional Chinese virtue.
“孟母三迁,择邻而居”,重视教育一直是中国的一个传统美德。The difference is subtle: running the test without the optional flag helps you understand the total time, even in the case of a failure.
区别很微妙:在一个失败的样例中,不带可选标志运行测试可以帮您了解运行总时间。Beside this, we must take account of the fact that in China breathing seems to be optional.
除此之外,我们还要考虑到这样一个事实:在中国,新鲜空气是可有可无的。The position of the front wheel turning table(optional part )is adjustable so that the side slide plate can be fit for more cars.
前轮转角(选购件)位置可调,加长双级后轮滑板,适合各种车形。The new lock-in offer is part of a series of optional add-ons airlines have been rolling out in an effort to increase revenue.
这个全新的票价锁服务是其中一个航空公司为了增加盈利而推出的一系列附加服务选项。The structure and validity of the MDMP must also be examined as the metric to which optional decision-making processes are compared.
军事决策程序MDMP的结构和有效性同样要作为可选的决策程序相对比的衡量标准来检验。sed takes a script of any number of commands followed by an optional input filespec; by default, it reads standard input.
sed接受包含任何数量命令的脚本,后面跟着可选的指定输入文件的选项;缺省情况下,它读取标准输入。
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相关单词
optimaloperateopportunityoperativeoptionoppressopposeoppressiveopponentopinionatedopiateoperatoroptopulentopeningoperationopportunistopenopusoperationaloptimumopprobriumoppressionoptimismoppositeoppositionoptimistopticalopportuneoptimistic