コロンブス交換 です
korombusu kōkandesu
1. Columbus Exchange; Columbian Exchange
Noun
1. Columbus Exchange; Columbian Exchange
1. diplomat
1. Columbus Day
1. diplomatic mission; overseas diplomatic establishment
1. good feeling; good will
1. exchange; interchange
1. high official
1. official residence
1. Not a diplomat.; Not an official.
1. If a diplomat; When a diplomat