hallmark

特徵、標誌、特色

Careful attention to detail is the hallmark of her work.

注重細節是她作品的一大特色。

純度印記、品質認證標記金銀器

The silver teapot carries a hallmark from the eighteenth century.

這只銀茶壺上有十八世紀的純度印記。

打上純度印記、加蓋品質認證常用被動

All the rings were hallmarked before they went on sale.

所有戒指在上市前都已打上純度印記。