For language classes, the normal levels are beginning or introductory, intermediate or middle and advanced.

对于语言课程，通常的等级是：初级或入门级，中级和高级。

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Looking for a Japanese penfriend for my language classes.

为我的语言班寻找一位日本的笔友。

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For example, practically any object-oriented modeling language will need to define the concepts of classes, attributes, associations, interactions, and so on.

例如，实际上任何一个面向对象的建模语言都需要定义类，属性，关联，相互作用等概念。

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Rebecca Liu teaches Chinese language classes for the Chinese Consolidated Benevolent Association.

VOA: special.2010.07.23

Mr Blunkett is now thinking about introducing induction and language classes for new immigrants.

ECONOMIST: Marriage and multiculturalism

Statehood or no, there are plans for English-language science and mathematics classes in the island's schools.

ECONOMIST: Empire in the Americas

As a staff, we prepared for this by taking Spanish language and culture classes.

WHITEHOUSE: Champions of Change Blog