Reference standards
[医] 参考标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
Have you been waiting for me for a long time?
你已经等我很久了吗？
Good news goes on crutches.
好事不出门。
In 1858 an area of poor housing, factories and farm buildings was torn down and Central Park was created, reaching from 59th Street to 110th Street and across three avenues.
1858年拆除了一大片破旧的房屋、工厂和农舍，建起了中央公园，这个公园从59街延伸到110街，跨越三条大马路。