英文字典中文字典51ZiDian.com
|
|
optional 音标拼音: ['ɑpʃənəl] ['ɔpʃənəl] a. 可选择的,随意的 可选择的,随意的 optional 可选择的 optional 任选 选项 optional adj 1: possible but not necessary; left to personal choice [ant: {obligatory}] Optional \Op"tion*al\, a. Involving an option; depending on the exercise of an option; left to one's discretion or choice; allowed but not compulsory; as, optional studies; it is optional with you to go or stay. -- n. See {Elective}, n. [1913 Webster] If to the former the movement was not optional, it was the same that the latter chose when it was optional. --Palfrey. [1913 Webster] Original writs are either optional or peremptory. --Blackstone. [1913 Webster] 38 Moby Thesaurus words for "optional": alternative, arbitrary, autonomous, discretional, discretionary, disjunctive, elective, free, free will, gratuitous, independent, nonmandatory, offered, proffered, self-acting, self-active, self-determined, self-determining, spontaneous, unasked, unbesought, unbidden, uncalled-for, uncoerced, uncompelled, unforced, uninfluenced, uninvited, unpressured, unprompted, unrequested, unrequired, unsolicited, unsought, volitional, voluntary, volunteer, willful
请选择你想看的字典辞典：
|
安装中文字典英文字典查询工具!
英文字典中文字典相关资料:
|
中文字典-英文字典 2005-2009