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optional

英 ['ɒpʃ(ə)n(ə)l] 美['ɑpʃənl]

英英释义考试真题实用场景例句

adj. 可选择的，随意的
n. 选修科目

实用场景例句

Certain courses are compulsory, others are optional.: 某些课程是必修的，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。

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。

Airfield: 4 Firehawks, which is enough to destroy an opposing Tech are optional.: 机场: 4个火鹰, 这足够您摧毁敌人得高科了,云层推进升级可选.

Appends the specified element of List ( optional operation ).: 在列表尾部添加指定元素 ( 可选操作 ).

The appearance of two new optional color effect: soil and grass green bronze.: 对于外观,有两种新的效果色可选: 土青铜色与草绿色.

On lesser amounts, insurance is recommended but optional and taken out at your request.: 在少许数额, 保险被推荐但任意和被去掉根据您的请求.

However, the alt attribute is optional and may be omitted from particular image elements.: 然而, alt的属性是可选的,甚至是可以忽略的.

A general categorization ( optional ). Negative, epithelial cell abnormality, or other ( see interpretation below ).: 大体分类 ( 可选择项 ). 正常, 或上皮细胞异常, 或其他 ( 参看以下描述 )

Constructors have optional extra parameters for the comparison object.: 构造函数有可选的额外参数用于比较用的函数对象.

The optional wind deflector minimizes drafts and wind turbulence, eliminating wind chill and maximising comfort.: 作为备选设备的挡风板也以有效的防止气流干扰, 消除风冷,优化舒适度.

Air pressure type cooling device are optional parts by customers.: 可依客户需求增设气冷式冷却设备.

Black polyester paint; optional in other special paints on request.: 黑色聚脂漆; 按订货要求可选用其它专门的油漆.

The cassette player is an optional extra in this make of car.: 这种型号汽车如需盒式磁带唱机费用另计.

Automatic thread trimmer ( optional ), to increase sewing efficiency and reducing production cost.: 备有自动切线机型, 可增加缝制效率降低成本.

There are a range of optional units available depending upon work role and work setting.: 有一系列的可选单元可根据工作的职责和工作设置而定.

In this first form, the comma following the parameter declarations is optional.: 在第一种形式中, 形参声明后面的逗号是可选的.

A variable automatic transmission , Mitsubishi's first , will be optional.: 同时也有一款无极变速器作为可选配置.

Optional argument which specifies what target to build in the subproject.: 可选参数用来指定子项目将要构建什么目标.

Checks authorization for the given operation context and optional message.: 检查给定操作上下文和可选消息的授权.

Solid Stellite 6 wedge ( optional ) ensures low friction and long service life.: 实心钨铬钴合金6楔板 ( 选项 ) 确保较低的磨损和较长的使用寿命.

The goods are optional, but only one.: 这些物品是可以任选的, 但只能选一个.

It is optional with you.: 那是你的自由.

Attendance at the lecture is optional.: 这一讲座可随意参加.

The course consists of ten core modules and five optional modules.: 这门课程包括十个必修单元和五个选修单元。

Certain courses are compulsory, others are optional.: 某些课程是必修的，其他是选修的。

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。