sink below the surface; go under or as if under water
put under water;
"submerge your head completely"
例句
"She's naive about the whole world of vampires, but she's willing to submerse herself in it. I think I might be a little more over-analytical." "她是如此天真的轻信所有有关于吸血鬼的世界，但是她乐于配合投入在其中。我认为我应该在更深入的了解。"((还是怪怪的.....
