snorkel

名词 snorkel:

1. breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
2. air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
   同义词：schnorkel, schnorchel, snorkel breather, breather

动词 snorkel:

1. dive with a snorkel