hydrofoil

名词 hydrofoil:

1. a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
   同义词：foil
2. a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
   同义词：hydroplane

hy.dro.foil

n.Nautical （名词）【航海】
A winglike structure attached to the hull of a boat that raises all or part of the hull out of the water when the boat is moving forward, thus reducing drag.
水翼：一个类似翅膀的结构，其与船身相连，当船前驶时有助于减小阻力使整个或部分船只浮出水面
A boat equipped with hydrofoils.Also called In this sense, also called hydroplane
水翼船：备有水翼的船只也作 在此意义上也可称作 hydroplane