Create relationships with aggregation or composition between the classes.

在类间创建聚集及组成关系。

youdao

Figure 1 illustrates the static relationship between the classes described.

图1说明了所描述的类之间的静态关系。

youdao

Attendees would meet for lecture and discussion, and assignments would be worked on in between the classes.

参入者会参加各种讲座和讨论，而且在课程之间会分配一些作业。

youdao

I was a first-year student at Johns Hopkins University in Baltimore, and was relaxing between classes at the student union building.

VOA: special.2009.08.16

I mean, I think the line is very blurred between the classes here.

这里的社会等级意识真的很模糊。

美国贫富差距？ - SpeakingMax英语口语达人

Based on the preferences contained in the governing documents, the entity allocates items of income, deduction, loss, and credit between the classes.

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Cities were sharply divided between the upper classes on high and the transient population of boatmen and gamblers that made them rich.

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The rise in inequality is, as those protesters reminded us as they camped out last year, not really between the poor and the middle classes, nor really even between the middle and the upper.

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