refine
动词 refine:
improve or perfect by pruning or polishing
make more complex, intricate, or richer
同义词:complicate, rarify, elaborate
treat or prepare so as to put in a usable condition
reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
同义词:rectify
attenuate or reduce in vigor, strength, or validity by polishing or purifying
make more precise or increase the discriminatory powers of