表达式

expression (math.)

exterior surface / family relationship via females / to show (one's opinion) / a model / a table (listing information) / a form / a meter (measuring sth)

wrist or pocket watch

to express / to convey

to express; to convey

surname Da

to attain / to reach / to amount to / to communicate / eminent

type / form / pattern / style

regular expression (computing)