submerge
verb uk/səbˈmɜːdʒ/ us/səbˈmɝːdʒ/
[ I or T ]（使）潜入水中，（使）没入水中；浸没
to go below or make something go below the surface of the sea or a river or lake
The submarine submerged when enemy planes were sighted. 潜艇发现敌机后马上下潜。
She was taken to hospital after being submerged in an icy river for 45 minutes. 她在冰冷的河水中浸了45分钟后被送进了医院。
[ T ] literary湮没，湮灭；掩盖
to cover or hide something completely
She has submerged her identity in the role of photographer's wife and muse. 她完全湮没了自我，全心全意地做摄影师的妻子并为他提供艺术灵感。
Phrasal verb
submerge yourself in something 全身心投入
to put all your effort into doing a particular activity
She is an actress who always tries to submerge herself completely in a role. 她是那种总是全身心投入角色的演员。