受試者

subject (in an experiment) / participant (in a clinical trial etc)

to receive / to accept / to suffer / subjected to / to bear / to stand / pleasant / (passive marker)

to test / to try / experiment / examination / test

(after a verb or adjective) one who (is) ... / (after a noun) person involved in ... / -er / -ist / (used after a number or 後|后[hou4] or 前[qian2] to refer to sth mentioned previously) / (used after a term, to mark a pause before defining the term) / (old) (used at the end of a command) / (old) this