黒潮 くろしお だい蛇行 だこうじゃありませんでした
kuroshioda idakōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 黒潮大蛇行

1. Was not the Kuroshio Current's great meandering.; Was not a large serpent in the Kuroshio Current.

Past/Perfective
Negative
Polite
Terminal Form