单词：hallmarked
v. 给（金、银）打上纯度印记( hallmark的过去式和过去分词 )
hallmark的用法和样例：
例句
用作名词(n.)
- One hallmark of a good politician is his ability to influence people.衡量一个优秀政治家的标志之一就是他影响大众的能力。
- Clear expression is the hallmark of a good speaker.(喻)清晰的表达能力是一位出色的演说家的特征。
- The research, carried out on mice, suggested caffeine hampered the production of the protein plaques which are the hallmark of the disease.研究人员用老鼠做实验，发现咖啡因可以阻止蛋白斑块积聚，而这种蛋白是早老年性痴呆发病的典型特征。
用作及物动词(vt.)
- Given the prevalence of synthetic Alexandrite, they are also a fascinating hallmark of authenticity that helps us distinguish real gems from artificial impostors.在人工合成亚力山大石流行的今天，内含物是鉴别宝石天然纯度的一个重要标志，有助于我们将天然宝石与人工合成赝品区别开来。
经典引文
And..gives it that poignant twist which is the hallmark of the really great documentary.
出自：D. AdamsThe..image of ruthlessness that was the hallmark of Mussolini.
出自：N. Mosley
【近义词】