同化作用 tóng huà zuò yòng 🔊 assimilation + Keep this word Meanings tóng huà zuò yòng assimilationanabolism (biology)constructive metabolism (using energy to make proteins etc) Its characters 同tónglikeHSK 5化huàto make intoHSK 5作zuòto do; to engage in用yòngto use; to make use of; to employHSK 3