Quality standards
[经] 质量标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
While it may be cold outside, it's always warm here in the office.
外面可能很冷的时候，办公室里面总是很暖和。
You give me the money. I'll get you the goods.
一手交钱，一手交货。
These two have travelled through the earth.
这两种波都是穿过地球而来的。