Quantity standards
[经] 数量标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
It's a beautiful day.
今天天气真好。
This is Mr. Jones.
这是琼斯先生。
You wouldn't have met her if it hadn't been for him.
如果不是他，你就见不到她。