aqualung

英['ækwəlʌŋ] 美['ækwəlʌŋ]
  • n. 木肺;水中呼吸器
Noun:
  1. a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus

1. Watch to time air supply in aqualung.
用手表来计算氧气瓶中气体的供应量.

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