Noun
1. the sport or activity swimming underwater
Test
1 / 5
The patient is complaining of pain in the abdomen.
2 / 5
He had an abnormal interest in death.
3 / 5
Don't abuse that man, he can't help walking slowly.
4 / 5
Los Angeles is abbreviated (to) L.A.
5 / 5
They abandoned their country after the civil war.
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