Device connected by notes to a submerged submarine, that floats on the surface and has values that allow air to be taken in and exhausted but that dos not permit water to enter.

潜水艇吸入及排出空气之装置。

Breathing tube which permits swimming face down or beneath the surface.

通气者(使游泳者能面朝下或在水面下游泳的呼吸管)。

Same as schnorkel.

亦可作 schnorkel。