Originally: the concentration of a gas, esp. oxygen, in the blood. In later use also (esp. with reference to deep-water diving and other activities…
| 单词 | θ107079 |
| 释义 | the world > movement > progressive motion > moving with current of air or water > movement in or on water > [noun] > underwater swimming > an act of (4) saturation1872 Originally: the concentration of a gas, esp. oxygen, in the blood. In later use also (esp. with reference to deep-water diving and other activities… skin dive1936 A dive undertaken without a deep-sea diving suit. See skin-diving, n. Also figurative. saturation dive1949 (a) a shallow dive during which the diver's body tissues undergo saturation with inert gases (disused); (b) a dive made by the technique of… goggle-dive1953 an underwater dive made by a person wearing goggles; hence as v. intransitive; also goggle-diver, goggle-diving. |
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