Quartal
a. [音](和声)以四度音程为基础的
🗣️ 情景例句
First you must find out the clause of the quality problems and furnish sufficient evidence.
首先你的查查有关质量问题的条款，并提供足够的证据。
I can't remember what John was doing yesterday afternoon.
我不能记得约翰昨天下午正在做的东西。
The telephone rings and this marks the prelude to an unforeseen series of catastrophes.
这时电话铃响了。它预示着一连串意想不到的灾难的来临。