Quality index
[电] 品质指数
🧩 词语组成解析
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
🗣️ 情景例句
Better than that.
比那种事更值得高兴。
How could that be?
怎么可能有这种事？
and of what had previously been wrong with his wife,
也不知道他妻子以前得的是什么病，