Practice key vocabulary using audio-visual flashcards.的翻译：Practice key vocabulary using audio-visual flashcards. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

实践中关键的词汇使用的视听抽认卡。

Practice key vocabulary using audio-visual flashcards.

Using audio-visual Practice key vocabulary flashcards.

Practice key vocabulary using audio-visual flashcards.