noun
international train
Refers to a train that crosses national borders, such as the Eurostar or the Trans-Siberian Railway. Common in travel contexts.
パリからロンドンまで国際列車で行く。
I go from Paris to London by international train.
国内列車 is a domestic train, while 国際列車 is an international train.
Compound of 国際 (international) and 列車 (train).