轻便潜水器;水中呼吸器;水肺
使用水肺;
词源词根法
词根-aqua-水+lung肺
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。
Could you tell me a shop where I can rent an aqualung?
能告诉我哪有出租水中呼吸器的商店吗?
Watch to time air supply in aqualung.
用手表来计算氧气瓶中气体的供应量.
Flammable, non-flammable or poisonous such as butane, propane, aqualung cylinders, lighter fuels or refills, aerosols;
易燃的,非易燃的或是有毒的,比如丁烷,丙烷,水中呼吸氧气筒,轻质燃料,气雾剂;
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