optional

[US]/ˈɒpʃənl/
[UK]/ˈɑːpʃənl/
Frequency: Very High

Translation

adj. 可選擇的, 非強制的

Phrases & Collocations

optional course

選修課,選修課程

optional parameter

任選參數,可選參數

optional exercise

自選動作

optional equipment

【計】附加設備;任選設備

optional item

可選擇項目

Example Sentences

Wearing a mask is optional in some countries.

在一些國家戴口罩是自願的。

Attending the meeting is optional, not mandatory.

參加會議是自願的,不是強制的。

Adding extra cheese is optional for the pizza.

給披薩加額外的奶酪是可選的。

Taking a break during work hours is optional.

工作時間休息是可選的。

Filling out the survey is optional but encouraged.

填寫調查問卷是可選的但鼓勵。

Buying insurance for the package is optional.

爲包裹購買保險是可選的。

Including a cover letter with your resume is optional.

在簡歷中附上求職信是可選的。

Choosing a dessert is optional at this restaurant.

在這家餐廳選擇甜點是可選的。

Attending the after-party is optional for all guests.

參加歡迎會對所有客人來說都是可選的。

Using a pen or pencil is optional for the exam.

考試時使用鋼筆或鉛筆是可選的。

Real-world Examples

Last year the Supreme Court made the Medicaid expansion optional.

去年最高法院宣佈此次醫療普及政策並非強制執行。

Source: The Economist - Comprehensive

And the other optional component here is the introduction.

其他的可選組成部分是引子。

Source: Listening to Music (Video Version)

152. The optional helicopter is adopted to help the optimistic helpless in the hell.

可選用的直升飛機被用來幫助地獄裏那些樂觀的無助者。

Source: Remember 7000 graduate exam vocabulary in 16 days.

At my university, there is no division between compulsory and optional modules.

在我的大學裏,沒有必修課和選修課的劃分。

Source: Fastrack IELTS Speaking High Score Secrets

And let's see, the optional extra is the Tower of London.

讓我看看,這個團可額外選擇參觀倫敦塔。

Source: Cambridge IELTS Listening Actual Test 4

Chocolate petit four, plus the optional cigar.

巧克力花色小蛋糕,外加可選的雪茄。

Source: Gourmet Base

White beard and red clothes are optional.

我這個聖誕節要工作。什麼工作?扮聖誕老人!是否要穿戴白鬍須和紅衣服可以自己選。

Source: 2022 Intensive Listening

31.the employment of pilot is optional (selective).

僱用引航員是任意的。

Source: Maritime English listening

In the word " almond" the L is optional.

在“almond”這個單詞中,L 可以發音,也可以不發。

Source: Max takes you to learn pronunciation.

Getting to the summit is optional.

到達頂峰不是必須的。

Source: Connection Magazine

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