海かい上じょう輸ゆ送そう路ろ

noun

marine transportation route; sea lane

Refers to a route used for shipping or maritime transport, often in contexts of logistics, trade, or military strategy.

• この海かい上じょう輸ゆ送そう路ろは、アジアとヨーロッパを結むすぶ重じゅう要ような航こう路ろだ。

  This marine transportation route is an important sea lane connecting Asia and Europe.