an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia;
"ADA deficiency can lead to one form of severe combined immunodeficiency disease" "the gene encoding ADA was one of the earlier human genes to be isolated and cloned for study"
例句
用作名词(n.)
Ada reached to the dashboard and cut off the headlights.阿达伸手到仪表板上关闭了车前灯。