Hydrofoil
01
a fast boat fitted with winglike structures beneath the hull that lift it above the water's surface at high speed
例子
The hydrofoil glided smoothly over the waves.
We traveled to the island on a hydrofoil.
02
a submerged surface, typically a flat or curved metal plate, designed to lift a vessel or object as it moves through water
例子
The yacht 's hydrofoils generate lift, allowing it to " fly " above the waves.
Engineers studied how the hydrofoil's shape affected hydrodynamic efficiency.
