demonstrate
v.
1550s, "to point out," from Latin demonstratus, past participle of demonstrare (see demonstration). Meaning "to point out by argument or deduction" is from 1570s. Related: Demonstrated; demonstrating.
〔李〕[de-;monstr;-atev.] v.论证，证实； 说明，表明 ←monstr (L monstrare)=to show 显示