Deep. 深入
相关短语:
深入国境线
be deep behind the frontier
深入基层
go down to the grass roots
深入群众
go among the masses; immerse oneself among the masses
深入生活
plunge into the thick of life
她看到的不光是事物的表面,而是深入到事物的内部。
She did not merely see the surface, but penetrated beneath.