n. 水肺,水中呼吸器
vi. 使用水肺
网络 水中呼吸器; 潜水呼吸器; 又叫水肺
Watch to time air supply in aqualung.
用手表来计算氧气瓶中气体的供应量。
It was a perfection of a valve that made the aqualung possible and put man back into the sea with all the freedom of a fish.
是阀的完善使研究水中呼吸器成为可能,并将人类送到海里,使其象鱼一样自由。