“标志性”用来形容一个东西很有代表性，让人一看就能想起某个地方、时代或者人。

"标志性" is used to describe something very representative, which immediately reminds people of a place, era, or person.

我们常说“标志性建筑”，比如那座塔就是这个城市的标志性建筑。

We often say "标志性建筑" (iconic building), for example, that tower is the 标志性建筑 of this city.