hindexhydronaut./hahy-druh-nawt, -not/US // ˈhaɪ drəˌnɔt, -ˌnɒt //UK // (ˈhaɪdrəʊˌnɔːt) //水手,水手长老,水手长,水兵Definitionsn.noun · 名词1.›a person trained to work in deep-sea vessels for research and rescue purposes.Level 4More words in h →