So it is an important training course for the accurate use of language singing technical.
因此歌唱语言的准确掌握运用，是歌唱技术的重要训练课程。
You'd better learn something about the course before singing up for it.
在报名参加这门课程前，你最好对它有所了解。
You'd better learn something about the course before singing up for it.
在报名参加这门课程前，你最好对它有所了解。
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