the act of being, or putting something, under the surface of a liquid so that the liquid completely covers it

The fruit was preserved by submersion in alcohol. 果实通过浸泡在酒精中来保存。

Scuba diving is not without risk, and the longer the time of submersion, the greater the need for caution. 潜水并非没有风险，而且潜水时间越长，就越需要谨慎。