Apedia

Optional Choose Extra Op·Tion·Al Awl ˈɒpʃənl ˈɑːpʃənl Adjective

word optional
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WDF

optional

[ˈɒpʃənl]

CET4CET6TEM4考研GRETOEFLIELTS
j5763
4558
112
78
2576
1266
526
ADJ2770
452637

Spoken:

14285848
任选的(100%)
adj.可选择的,随意的
n.选修科目
open www.ankiedu.club
Collins
optional ★☆☆☆☆
/ɒ̱pʃən(ə)l/
1
[ADJ 形容词]可选择的;非强制的 If something is optional, you can choose whether or not you do it or have it.
  • A holiday isn't an optional extra. In this stressful, frantic world it's a must...

    休假并非可有可无。在这个紧张而忙碌的世界,它是必不可少的。

  • Sex education is a sensitive area for some parents, and thus it should remain optional.

    性教育对某些家长而言是个敏感领域,因此应该保持其非强制性。


Oxford
op·tion·al AWL / ˈɒpʃənl ; NAmE ˈɑːpʃənl / adjective that you can choose to do or have if you want to 可选择的;选修的 Certain courses are compulsory; others are optional. 有些课程是必修的,其他是选修的。 This model comes with a number of optional extras (= things you can choose to have but which you will have to pay extra for). 这一型号有一系列可供选择的附件,价格另计。 op·tion·al / ˈɒpʃənl ; NAmE ˈɑːpʃənl /
LDC
optionalop‧tion‧al /ˈɒpʃənəl $ ˈɑːp-/ ●●○ AWL adjective
Examples
Thesaurus
Collocations
Word family
if something is optional, you do not have to do it or use it, but you can choose to if you want to OPP  compulsory:  three optional courses The other excursions are optional.optional extra British English Leather seats are an optional extra.RegisterIn everyday English, people often say that you don’t have to do something rather than say it is optional: Ties are optional. ➔ You don’t have to wear a tie.

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