來源：https://reurl.cc/A4RgK
第一段
Black Panther has been everywhere in recent years - but spotting one of the
animals the famous superhero is named after in the African wilderness is a lit
tle more rare.
想請問一下
這個紅色的部分是不是應該加個括號之類的？
為什麼它是直接插入句子當中呢？
這樣是什麼樣的文法用法呢？

關代

關係子句

...one of theanimals [(which) the famous superhero is named after] in the African wilderness is a little more rare.