Qs
abbr. 质量标准（Quality Standard）；质量规范（Quality Specification）
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
I don't know where I've seen him before.
我不晓得在哪儿见过他。
There's a bar next door to the station.
车站旁有一个酒吧。