为什么很多欧美的人名在字典里找不到?

Gustave Eiffel: The name was taken from his birthplace Marmagen located in the Eifel.

Frederic Auguste Bartholdi was born in Colmar, Alsace.

而Alsace is one of the 26 régions of France.

他们都不是英、美人，在英文字典里的确很难找到。