optional

中文来自 ECDICT

adj.: 可选择的，随意的

构词拆分

option词根/词干

-al后缀

Of or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also. · Forming nouns, especially of verbal action.

词源说明

From option + -al.

释义（英文）

形容词 Adjective

Not compulsory; left to personal choice; elective.

名词 Noun

Something that is not compulsory, especially part of an academic course.
(programming, sometimes capitalized) In various programming languages

构词拆分

词源说明

释义（英文）

构词拆分

词源说明

释义（英文）

词族