Classroom teaching is a kind of knowledge and information transfer process Teachers and the medium of instruction is the transmission of a major carrier.

课堂教学是一种传递知识和信息的过程，而教师的教学语言便是一种传递的主要载体。

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Chinese at a higher level than other schools and with greater cultural content, but the main medium of instruction is English.

校内所教的华文，程度会比较高，文化成分也比较多，但主要的教学媒介还是英语。

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It is taught from infant school and kindergarten, and is the medium of instruction for a few primary schools, many secondary schools and all universities.

英语从婴儿学校及幼儿园就开始教授，并且是少数小学、许多中学和所有大学的教学语言。

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The pair also opened a school that used the Kaurna language as a medium of instruction for almost six years before it was closed down by the authorities, who would only tolerate English.

BBC: Lost indigenous language revived in Australia