俺也不太懂。choir有的是有伴奏的，acapella无伴奏，要求应该比较高吧

来源: skyport 于 2018-12-20 11:30:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent