标记
近义词与同义词
按词义分组列出，使用时请结合具体语境。
a publisher's emblem printed in a book (usually on the title page)
some conspicuous object used to distinguish or mark something; "the buoys were markers for the channel"
an emblematic design (especially in heraldry); "he was recognized by the device on his shield"
a radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction
基本解释
标志；记号。