ascertained

ascertained

动词 ascertain:

establish after a calculation, investigation, experiment, survey, or study

同义词：determine, find, find out, ascertain

be careful or certain to do something; make certain of something

同义词：see, check, insure, see to it, ensure, control, ascertain, assure

find out, learn, or determine with certainty, usually by making an inquiry or other effort

同义词：determine, check, find out, see, ascertain, watch, learn

learn or discover with certainty

同义词：ascertain

形容词 ascertained:

discovered or determined by scientific observation

同义词：discovered, observed