爱词霸权威在线词典,为您提供optional的中文意思,optional的用法讲解,optional的读音,optional的同义词,optional的反义词,optional的例句等英语服务。

The final (optional) element of the sequence gives the values of the syntactic functions, adjuncts and specifiers (in any order, distinguished by their role names).

The meaning of OPTIONAL is involving an option : not compulsory. How to use optional in a sentence.

7. This optional view appears at the bottom edge of a screen and contains segments that activate different modes in the application. 这个 可 选 控件 出现 于 应用程序 的 页面 底部， 用于 切换 …

optional中文的意思、翻譯及用法：adj. 可選擇的，隨意的。 英漢詞典提供【optional】的詳盡中文翻譯、用法、例句等

Definition of optional adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

OPTIONAL definition: left to one's choice; not required or mandatory. See examples of optional used in a sentence.

[Football.]a play in which a back has a choice of either passing or running with the ball. v.t. to acquire or grant an option on: The studio has optioned his latest novel for film adaptation. to …

optional in American English (ˈɑpʃənəl ) adjective left to one's option, or choice; not compulsory; elective

If you can choose whether or not to do something, it is optional. Extra credit is always optional; death and taxes are not.