下句中 quality 和 quantity

题目

下句中 quality 和 quantity
In spoken English,certain syllables withing a word are more prominent than others.This prominence is manifested by a combination of four factors:stress,pitch,quality,and quantity.

答案

原意分别为 quality 是质量,quantity是数量.
但是在文献中应该分别翻译为音质 和音量