optional是什么意思

网络释义

用法例句

That said, not every program is optional.

这样说的意思并非每个规划都是可任意选择的。

We shall find that it is a distinct convenience to possess these alternative lines of approach.

我们就会发现具有这两种可任意选择的研究方法有很明显的方便。

I would like to endorse any choice you make.

我愿意认可你做出的任何选择。

Then the final two spots can be filled in whatever way they deem necessary.

最后两个位置可以根据自己的需要任意选择。

I was the first to arrive at the inn and got the pick of rooms.

我第一个到达旅馆，可以任意选择房间。

When there is a deliberate choice to restrict, the harmful consequences are deliberate destruction.

假如可以故意选择限制程序的使用，其恶果就是任意地破坏。

a random sample, selection, etc

随意抽取的样品、 任意选择的东西

States have the option of adopting the even tougher California emission standards.

各州也可以任意选择，是否采用加利福尼亚州更严格的排污标准。

acquired as your own by free choice.

通过任意选择获得而为自己的。

people randomly chosen,(eg to carry out a survey)

任意选择的人（如为进行抽样调查）.

However, it casts its spells on the fly like a sorcerer.

此外，它可以像术士一样任意选择法术施展。

Water/oil dual purpose mmachine can use either water or oil heating medium.

可根据需要任意选择以水或热媒油当传热介质。

a Roman Catholic system of casuistry that when expert opinions differ an actor can follow any solidly probable opinion that he wishes even though some different opinion might be more probable.

一个罗马天主教的决疑制度:当专家意见相左时参与者可以自行选择任何可信的意见。

Select the types of task changes to update automatically

请选择可自动更新的任务更改的类型

If you had your choice of all the places in the world.

假如你可以选择世界上的任何地方。

Please, select an item to view the available tasks

请选择一个项目来查看可用的任务

Select a new assignment for this customizable key

为该可自定义的键选择一项新任务

"You can select common tasks or customize your own.

"您可选择共同任务或自定义您自己的任务。