Home/hydronauthydronaut/hahy-druh-nawt, -not/US // ˈhaɪ drəˌnɔt, -ˌnɒt //UK // (ˈhaɪdrəʊˌnɔːt) //水手,水手长老,水手长,水兵Definitionsn.名词 noun1: a person trained to work in deep-sea vessels for research and rescue purposes.Level 4Browse all words →