| 单词 | snorkel | 
| 释义 | Word Frequency snorkel(ˈsnɔːkəl) noun 1.  a device allowing a swimmer to breathe while face down on the surface of the water, consisting of a bent tube fitting into the mouth and projecting above the surface 2.  (on a submarine) a retractable vertical device containing air-intake and exhaust pipes for the engines and general ventilation: its use permits extended periods of submergence at periscope depth  3.  military a similar device on a tank, enabling it to cross shallow water obstacles  4.  a type of parka or anorak with a hood that projects beyond the face verbWord forms: -kels, -kelling, -kelledWord forms:  US -kels, -keling or -keled 5. (intransitive) to swim with a snorkel Word origin C20: from German Schnorchel; related to German schnarchen to snore | 
	
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