(使)变得不同
Dissimilate \Dis*sim"i*late\, v. t. To render dissimilar.
dissimilate v 1: become dissimilar by changing the sound qualities; "These consonants dissimilate" [ant: {assimilate}] 2: make dissimilar; cause to become less similar [ant: {assimilate}] 3: become dissimilar or less similar; "These two related tribes of people gradually dissimilated over time" [ant: {assimilate}]