Aqualung

美 [ˈækwəˌlʌŋ]
英 ['ækwə.lʌŋ]
  • n.轻便潜水器;水肺
  • 网络水中呼吸器;潜水呼吸器;又叫水肺
复数:aqualungs  
aqualung
n.
1.
轻便潜水器;水肺a piece of breathing equipment that a diver wears on his/her back when swimming underwater