Qs
abbr. 质量标准（Quality Standard）；质量规范（Quality Specification）
🗣️ 情景例句
He made an impressive speech.
他发表了一篇感人的演讲。
After I get dressed,I'll have breakfast.
在我穿好衣服以后，我将吃早餐。
The shape and dimensions of the skyscrapers depend entirely on the necessity of obtaining the maximum income per square foot of ground,
每平方英尺地皮取得最大收入