optional
- adj. 可選擇的,隨意的
- n. 選修科目
實(shí)用場(chǎng)景例句
- Certain courses are compulsory, others are optional.
- 某些課程是必修的,其他是選修的。
牛津詞典
- This model comes with a number of optional extras (= things you can choose to have but which you will have to pay extra for) .
- 這一型號(hào)有一系列可供選擇的附件,價(jià)格另計(jì)。
牛津詞典
- A holiday isn't an optional extra. In this stressful, frantic world it's a must...
- 休假并非可有可無(wú)。在這個(gè)緊張而忙碌的世界,它是必不可少的。
柯林斯高階英語(yǔ)詞典
- Sex education is a sensitive area for some parents, and thus it should remain optional.
- 性教育對(duì)某些家長(zhǎng)而言是個(gè)敏感領(lǐng)域,因此應(yīng)該保持其非強(qiáng)制性。
柯林斯高階英語(yǔ)詞典
- Airfield: 4 Firehawks, which is enough to destroy an opposing Tech are optional.
- 機(jī)場(chǎng): 4個(gè)火鷹, 這足夠您摧毀敵人得高科了,云層推進(jìn)升級(jí)可選.
期刊摘選
- Appends the specified element of List ( optional operation ).
- 在列表尾部添加指定元素 ( 可選操作 ).
期刊摘選
- The appearance of two new optional color effect: soil and grass green bronze.
- 對(duì)于外觀,有兩種新的效果色可選: 土青銅色與草綠色.
期刊摘選
- On lesser amounts, insurance is recommended but optional and taken out at your request.
- 在少許數(shù)額, 保險(xiǎn)被推薦但任意和被去掉根據(jù)您的請(qǐng)求.
期刊摘選
- However, the alt attribute is optional and may be omitted from particular image elements.
- 然而, alt的屬性是可選的,甚至是可以忽略的.
期刊摘選
- A general categorization ( optional ). Negative, epithelial cell abnormality, or other ( see interpretation below ).
- 大體分類 ( 可選擇項(xiàng) ). 正常, 或上皮細(xì)胞異常, 或其他 ( 參看以下描述 )
期刊摘選
- Constructors have optional extra parameters for the comparison object.
- 構(gòu)造函數(shù)有可選的額外參數(shù)用于比較用的函數(shù)對(duì)象.
期刊摘選
- The optional wind deflector minimizes drafts and wind turbulence, eliminating wind chill and maximising comfort.
- 作為備選設(shè)備的擋風(fēng)板也以有效的防止氣流干擾, 消除風(fēng)冷,優(yōu)化舒適度.
期刊摘選
- Air pressure type cooling device are optional parts by customers.
- 可依客戶需求增設(shè)氣冷式冷卻設(shè)備.
期刊摘選
- Black polyester paint; optional in other special paints on request.
- 黑色聚脂漆; 按訂貨要求可選用其它專門的油漆.
期刊摘選
- The cassette player is an optional extra in this make of car.
- 這種型號(hào)汽車如需盒式磁帶唱機(jī)費(fèi)用另計(jì).
期刊摘選
- Automatic thread trimmer ( optional ), to increase sewing efficiency and reducing production cost.
- 備有自動(dòng) 切線 機(jī)型, 可增加縫制效率降低成本.
期刊摘選
- There are a range of optional units available depending upon work role and work setting.
- 有一系列的可選單元可根據(jù)工作的職責(zé)和工作設(shè)置而定.
期刊摘選
- In this first form, the comma following the parameter declarations is optional.
- 在第一種形式中, 形參聲明后面的逗號(hào)是可選的.
期刊摘選
- A variable automatic transmission , Mitsubishi's first , will be optional.
- 同時(shí)也有一款無(wú)極變速器作為可選配置.
期刊摘選
- Optional argument which specifies what target to build in the subproject.
- 可選參數(shù)用來(lái)指定子項(xiàng)目將要構(gòu)建什么目標(biāo).
期刊摘選
- Checks authorization for the given operation context and optional message.
- 檢查給定操作上下文和可選消息的授權(quán).
期刊摘選
- Solid Stellite 6 wedge ( optional ) ensures low friction and long service life.
- 實(shí)心鎢鉻鈷合金6楔板 ( 選項(xiàng) ) 確保較低的磨損和較長(zhǎng)的使用壽命.
期刊摘選
- The goods are optional, but only one.
- 這些物品是可以任選的, 但只能選一個(gè).
《簡(jiǎn)明英漢詞典》
- It is optional with you.
- 那是你的自由.
《現(xiàn)代英漢綜合大詞典》
- Attendance at the lecture is optional.
- 這一講座可隨意參加.
《現(xiàn)代英漢綜合大詞典》
- The course consists of ten core modules and five optional modules.
- 這門課程包括十個(gè)必修單元和五個(gè)選修單元。
《牛津高階英漢雙解詞典》
- Certain courses are compulsory, others are optional.
- 某些課程是必修的,其他是選修的。
《牛津高階英漢雙解詞典》
- A holiday isn't an optional extra. In this stressful, frantic world it's a must.
- 休假并非可有可無(wú)。在這個(gè)緊張而忙碌的世界,它是必不可少的。
柯林斯例句