英:['haɪdrəfeɪn]
美:['haɪdrəˌfeɪn]
noun
a semitranslucent opal that becomes translucent or transparent on immersion in water
The first known use of hydrophane was in 1784
1 水平舵
fin hydroplane
2 水上飞机
aerohydroplane aeroboat hydroairplane seaplane floatplane hydroplane hydroaeroplane water plane flying boat