三一口语

以下围绕“drop7 攻略”主题解决网友的困惑 请教高手指点Drop2和Drop3和弦是什么意思? 大七和弦1357,把倒数第二高的音降一个八度变成5137,这就叫...

Introduction When it comes to learning English, understanding pronunciation can be a challenge for non-native speakers. One word that often causes...