单词 | optional |
释义 |
optional听听怎么读
英 [??p??nl]
美 [?ɑp??nl]
是什么意思 可选择的;随意的,任意的;非强制的;选修科目 双语释义adj.(形容词)
英英释义optional
学习怎么用 词汇搭配用作形容词 (adj.) ~+名词
词组短语optional course选修课,选修课程 optional parameter任选参数,可选参数 optional exercise自选动作 optional equipment【计】附加设备;任选设备 optional item可选择项目 双语例句用作形容词(adj.)
权威例句JADE: Adaptive Differential Evolution With Optional External Archive...Anonymous Credentials with Optional Anonymity ...JADE: adaptive differential evolution with optional external archiveAn Ecient System for Non-transferable Anonymous Credentials with Optional Anonymity RevocationEvidence supports optional use of RAI for papillary thyroid cancerSpecific language impairment as a period of extended optional infinitive.Voltage Security Assessment Using Generaized Optional Planning KnowledgeThe English Education System at National Institute of Technology, Kisarazu College : The Introduction of "Optional or Voluntary Acti...Application of a New Teaching Method in Optional CoursesEvaluation of optional fee structures for solid waste management in China
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英语词典包含168364条英汉在线翻译词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。