The Vietnamese word "đường biển" translates to "sea route" in English. It refers to the paths or ways taken by ships and vessels across the sea for transportation of goods, people, or for travel.
In more complex discussions, "đường biển" can also relate to strategic maritime routes used for trade, military navigation, or international shipping lanes.
While "đường biển" primarily refers to sea routes, in a figurative sense, it can also imply the idea of taking a longer or more complicated path to reach a goal, similar to the English phrase "taking the scenic route."
When using "đường biển," consider the context of transportation, trade, or travel.