ocean current

Noun

Any more or less permanent or continuous, directed movement of water that flows in one of the Earth's oceans.

Japanese Meaning

海洋における、ある一定の方向へ向かって持続的または連続的に流れる水の動き

Scientists tracked the ocean current to understand how it transports heat and marine life across long distances.

科学者たちは、熱や海洋生物を長距離にわたって運ぶ海流を追跡して、その仕組みを解明しようとした。

Sense（1）

Any more or less permanent or continuous, directed movement of water that flows in one of the Earth's oceans.

ocean currents

（ plural ）