hydrofoil

英['haidrəfɔil]美['haidrəfɔil]

n. 水中舵

同：	[n.] foil, hydroplane

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
- the fins of a fish act as hydrofoils
[同] foil, hydrofoil
a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
- the museum houses a replica of the jet hydroplane that broke the record
[同] hydrofoil, hydroplane

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