a. 主治的

n the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others

n the act of being present (at a meeting or event etc.)

v be present at (meetings, church services, university), etc.

v take charge of or deal with

v to accompany as a circumstance or follow as a result

v work for or be a servant to

v give heed (to)