LDL /ˌɛl(ˌ)diˈɛl/
  基於邏輯的數據語言
  LDL
       n : a lipoprotein that transports cholesterol in the blood;
           composed of moderate amount of protein and a large amount
           of cholesterol; high levels are thought to be associated
           with increased risk of coronary heart disease and
           atherosclerosis [syn: low-density lipoprotein, beta-lipoprotein]