I'm taking four classes.

我要上四节课。

youdao

These four classes are shown in Figure 5.

这四个类如图 5 所示。

youdao

Can you guess why the MessagingPreferences object needs these four classes?

您能猜出MessagingPreferences对象为什么需要这四个类么？

youdao

More than four hundred fifty of them took jewelry making classes.

VOA: special.2009.05.18

where I would have, I think four classes one after the other on Wednesdays.

在那一段时间，我在周三会连续上四节课。

耶鲁的忙碌生活 - SpeakingMax英语口语达人

What have we done over the last three or four lectures? We've started introducing you to classes of algorithms. Things that I'd like you to be able to see are how to do some simple complexity analysis.

我们在过去三节或四节课中讲了什么？,我开始向你们,介绍算法的类型,我想你们知道的是,如何做一些简单的复杂度分析。

麻省理工公开课 - 计算机科学及编程导论课程节选

The law firm decided to start small--there are only four classes, prekindergarten through second grade--and plans to add a grade each year.

FORBES: Kindergarten Lawyers

As freshman women, you have four classes of men to choose from.

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With the same teams winning the smallest four classes every year, the state championship games at Lucas Oil Stadium have simply become a coronation ceremony.

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